ValueTracking: Implement computeKnownFPClass for various rounding intrinsics

1 files changed, 97 insertions, 68 deletions

diff --git a/llvm/test/Transforms/Attributor/nofpclass-floor.ll b/llvm/test/Transforms/Attributor/nofpclass-floor.ll
index b4f28f4212df..0acece033ab4 100644
--- a/llvm/test/Transforms/Attributor/nofpclass-floor.ll
+++ b/llvm/test/Transforms/Attributor/nofpclass-floor.ll
@@ -5,9 +5,9 @@ declare float @llvm.floor.f32(float)
 declare ppc_fp128 @llvm.floor.ppcf128(ppc_fp128)
 
 define float @ret_floor(float %arg0) {
-; CHECK-LABEL: define float @ret_floor
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor
 ; CHECK-SAME: (float [[ARG0:%.*]]) #[[ATTR1:[0-9]+]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2:[0-9]+]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2:[0-9]+]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -15,9 +15,9 @@ define float @ret_floor(float %arg0) {
 }
 
 define float @ret_floor_noinf(float nofpclass(inf) %arg0) {
-; CHECK-LABEL: define float @ret_floor_noinf
+; CHECK-LABEL: define nofpclass(inf sub) float @ret_floor_noinf
 ; CHECK-SAME: (float nofpclass(inf) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(inf sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -25,9 +25,9 @@ define float @ret_floor_noinf(float nofpclass(inf) %arg0) {
 }
 
 define float @ret_floor_nopinf(float nofpclass(pinf) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nopinf
+; CHECK-LABEL: define nofpclass(pinf sub) float @ret_floor_nopinf
 ; CHECK-SAME: (float nofpclass(pinf) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(pinf sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -35,9 +35,9 @@ define float @ret_floor_nopinf(float nofpclass(pinf) %arg0) {
 }
 
 define float @ret_floor_noninf(float nofpclass(ninf) %arg0) {
-; CHECK-LABEL: define float @ret_floor_noninf
+; CHECK-LABEL: define nofpclass(ninf sub) float @ret_floor_noninf
 ; CHECK-SAME: (float nofpclass(ninf) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(ninf sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -45,9 +45,9 @@ define float @ret_floor_noninf(float nofpclass(ninf) %arg0) {
 }
 
 define float @ret_floor_nonan(float nofpclass(nan) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nonan
+; CHECK-LABEL: define nofpclass(nan sub) float @ret_floor_nonan
 ; CHECK-SAME: (float nofpclass(nan) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(nan sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -55,9 +55,9 @@ define float @ret_floor_nonan(float nofpclass(nan) %arg0) {
 }
 
 define float @ret_floor_noqnan(float nofpclass(qnan) %arg0) {
-; CHECK-LABEL: define float @ret_floor_noqnan
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_noqnan
 ; CHECK-SAME: (float nofpclass(qnan) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -65,9 +65,9 @@ define float @ret_floor_noqnan(float nofpclass(qnan) %arg0) {
 }
 
 define float @ret_floor_nosnan(float nofpclass(snan) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nosnan
+; CHECK-LABEL: define nofpclass(snan sub) float @ret_floor_nosnan
 ; CHECK-SAME: (float nofpclass(snan) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(snan sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -75,9 +75,9 @@ define float @ret_floor_nosnan(float nofpclass(snan) %arg0) {
 }
 
 define float @ret_floor_nozero(float nofpclass(zero) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nozero
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nozero
 ; CHECK-SAME: (float nofpclass(zero) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -85,9 +85,9 @@ define float @ret_floor_nozero(float nofpclass(zero) %arg0) {
 }
 
 define float @ret_floor_nopzero(float nofpclass(pzero) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nopzero
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nopzero
 ; CHECK-SAME: (float nofpclass(pzero) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -95,9 +95,9 @@ define float @ret_floor_nopzero(float nofpclass(pzero) %arg0) {
 }
 
 define float @ret_floor_nonzero(float nofpclass(nzero) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nonzero
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nonzero
 ; CHECK-SAME: (float nofpclass(nzero) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -105,9 +105,9 @@ define float @ret_floor_nonzero(float nofpclass(nzero) %arg0) {
 }
 
 define float @ret_floor_nonorm(float nofpclass(norm) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nonorm
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nonorm
 ; CHECK-SAME: (float nofpclass(norm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -115,9 +115,9 @@ define float @ret_floor_nonorm(float nofpclass(norm) %arg0) {
 }
 
 define float @ret_floor_nonnorm(float nofpclass(nnorm) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nonnorm
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nonnorm
 ; CHECK-SAME: (float nofpclass(nnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -125,9 +125,9 @@ define float @ret_floor_nonnorm(float nofpclass(nnorm) %arg0) {
 }
 
 define float @ret_floor_nopnorm(float nofpclass(pnorm) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nopnorm
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nopnorm
 ; CHECK-SAME: (float nofpclass(pnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -135,9 +135,9 @@ define float @ret_floor_nopnorm(float nofpclass(pnorm) %arg0) {
 }
 
 define float @ret_floor_nonsub(float nofpclass(nsub) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nonsub
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nonsub
 ; CHECK-SAME: (float nofpclass(nsub) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -145,9 +145,9 @@ define float @ret_floor_nonsub(float nofpclass(nsub) %arg0) {
 }
 
 define float @ret_floor_nopsub(float nofpclass(psub) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nopsub
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nopsub
 ; CHECK-SAME: (float nofpclass(psub) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -155,9 +155,9 @@ define float @ret_floor_nopsub(float nofpclass(psub) %arg0) {
 }
 
 define float @ret_floor_nonorm_nosub(float nofpclass(norm sub) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nonorm_nosub
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nonorm_nosub
 ; CHECK-SAME: (float nofpclass(sub norm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -165,9 +165,9 @@ define float @ret_floor_nonorm_nosub(float nofpclass(norm sub) %arg0) {
 }
 
 define float @ret_floor_nopnorm_nopsub(float nofpclass(pnorm psub) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nopnorm_nopsub
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nopnorm_nopsub
 ; CHECK-SAME: (float nofpclass(psub pnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -175,9 +175,9 @@ define float @ret_floor_nopnorm_nopsub(float nofpclass(pnorm psub) %arg0) {
 }
 
 define float @ret_floor_nonnorm_nonsub(float nofpclass(nnorm nsub) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nonnorm_nonsub
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nonnorm_nonsub
 ; CHECK-SAME: (float nofpclass(nsub nnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -185,9 +185,9 @@ define float @ret_floor_nonnorm_nonsub(float nofpclass(nnorm nsub) %arg0) {
 }
 
 define float @ret_floor_nopnorm_nonsub(float nofpclass(pnorm nsub) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nopnorm_nonsub
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nopnorm_nonsub
 ; CHECK-SAME: (float nofpclass(nsub pnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -195,9 +195,9 @@ define float @ret_floor_nopnorm_nonsub(float nofpclass(pnorm nsub) %arg0) {
 }
 
 define ppc_fp128 @ret_floor_ppcf128(ppc_fp128 %arg0) {
-; CHECK-LABEL: define ppc_fp128 @ret_floor_ppcf128
+; CHECK-LABEL: define nofpclass(sub) ppc_fp128 @ret_floor_ppcf128
 ; CHECK-SAME: (ppc_fp128 [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret ppc_fp128 [[CALL]]
 ;
   %call = call ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 %arg0)
@@ -205,9 +205,9 @@ define ppc_fp128 @ret_floor_ppcf128(ppc_fp128 %arg0) {
 }
 
 define ppc_fp128 @ret_floor_noinf_ppcf128(ppc_fp128 nofpclass(inf) %arg0) {
-; CHECK-LABEL: define ppc_fp128 @ret_floor_noinf_ppcf128
+; CHECK-LABEL: define nofpclass(sub) ppc_fp128 @ret_floor_noinf_ppcf128
 ; CHECK-SAME: (ppc_fp128 nofpclass(inf) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret ppc_fp128 [[CALL]]
 ;
   %call = call ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 %arg0)
@@ -215,9 +215,9 @@ define ppc_fp128 @ret_floor_noinf_ppcf128(ppc_fp128 nofpclass(inf) %arg0) {
 }
 
 define ppc_fp128 @ret_floor_nopinf_ppcf128(ppc_fp128 nofpclass(pinf) %arg0) {
-; CHECK-LABEL: define ppc_fp128 @ret_floor_nopinf_ppcf128
+; CHECK-LABEL: define nofpclass(sub) ppc_fp128 @ret_floor_nopinf_ppcf128
 ; CHECK-SAME: (ppc_fp128 nofpclass(pinf) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret ppc_fp128 [[CALL]]
 ;
   %call = call ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 %arg0)
@@ -225,9 +225,9 @@ define ppc_fp128 @ret_floor_nopinf_ppcf128(ppc_fp128 nofpclass(pinf) %arg0) {
 }
 
 define ppc_fp128 @ret_floor_noninf_ppcf128(ppc_fp128 nofpclass(ninf) %arg0) {
-; CHECK-LABEL: define ppc_fp128 @ret_floor_noninf_ppcf128
+; CHECK-LABEL: define nofpclass(sub) ppc_fp128 @ret_floor_noninf_ppcf128
 ; CHECK-SAME: (ppc_fp128 nofpclass(ninf) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret ppc_fp128 [[CALL]]
 ;
   %call = call ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 %arg0)
@@ -235,9 +235,9 @@ define ppc_fp128 @ret_floor_noninf_ppcf128(ppc_fp128 nofpclass(ninf) %arg0) {
 }
 
 define ppc_fp128 @ret_floor_nonan_ppcf128(ppc_fp128 nofpclass(nan) %arg0) {
-; CHECK-LABEL: define ppc_fp128 @ret_floor_nonan_ppcf128
+; CHECK-LABEL: define nofpclass(nan sub) ppc_fp128 @ret_floor_nonan_ppcf128
 ; CHECK-SAME: (ppc_fp128 nofpclass(nan) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(nan sub) ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret ppc_fp128 [[CALL]]
 ;
   %call = call ppc_fp128 @llvm.floor.ppcf128(ppc_fp128 %arg0)
@@ -245,9 +245,9 @@ define ppc_fp128 @ret_floor_nonan_ppcf128(ppc_fp128 nofpclass(nan) %arg0) {
 }
 
 define float @ret_floor_noneg(float nofpclass(ninf nsub nnorm) %arg0) {
-; CHECK-LABEL: define float @ret_floor_noneg
+; CHECK-LABEL: define nofpclass(ninf sub) float @ret_floor_noneg
 ; CHECK-SAME: (float nofpclass(ninf nsub nnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(ninf sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -255,9 +255,9 @@ define float @ret_floor_noneg(float nofpclass(ninf nsub nnorm) %arg0) {
 }
 
 define float @ret_floor_noneg_nonegzero(float nofpclass(ninf nsub nnorm nzero) %arg0) {
-; CHECK-LABEL: define float @ret_floor_noneg_nonegzero
+; CHECK-LABEL: define nofpclass(ninf nzero sub nnorm) float @ret_floor_noneg_nonegzero
 ; CHECK-SAME: (float nofpclass(ninf nzero nsub nnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(ninf nzero sub nnorm) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -265,9 +265,9 @@ define float @ret_floor_noneg_nonegzero(float nofpclass(ninf nsub nnorm nzero) %
 }
 
 define float @ret_floor_noneg_nonegzero_nonan(float nofpclass(ninf nsub nnorm nzero nan) %arg0) {
-; CHECK-LABEL: define float @ret_floor_noneg_nonegzero_nonan
+; CHECK-LABEL: define nofpclass(nan ninf nzero sub nnorm) float @ret_floor_noneg_nonegzero_nonan
 ; CHECK-SAME: (float nofpclass(nan ninf nzero nsub nnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(nan ninf nzero sub nnorm) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -275,9 +275,9 @@ define float @ret_floor_noneg_nonegzero_nonan(float nofpclass(ninf nsub nnorm nz
 }
 
 define float @ret_floor_noneg_nozero(float nofpclass(ninf nsub nnorm zero) %arg0) {
-; CHECK-LABEL: define float @ret_floor_noneg_nozero
+; CHECK-LABEL: define nofpclass(ninf nzero sub nnorm) float @ret_floor_noneg_nozero
 ; CHECK-SAME: (float nofpclass(ninf zero nsub nnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(ninf nzero sub nnorm) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -285,9 +285,9 @@ define float @ret_floor_noneg_nozero(float nofpclass(ninf nsub nnorm zero) %arg0
 }
 
 define float @ret_floor_noneg_nozero_nonan(float nofpclass(ninf nsub nnorm zero nan) %arg0) {
-; CHECK-LABEL: define float @ret_floor_noneg_nozero_nonan
+; CHECK-LABEL: define nofpclass(nan ninf nzero sub nnorm) float @ret_floor_noneg_nozero_nonan
 ; CHECK-SAME: (float nofpclass(nan ninf zero nsub nnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(nan ninf nzero sub nnorm) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -295,9 +295,9 @@ define float @ret_floor_noneg_nozero_nonan(float nofpclass(ninf nsub nnorm zero
 }
 
 define float @ret_floor_nopos(float nofpclass(pinf psub pnorm) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nopos
+; CHECK-LABEL: define nofpclass(pinf sub) float @ret_floor_nopos
 ; CHECK-SAME: (float nofpclass(pinf psub pnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(pinf sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -305,9 +305,9 @@ define float @ret_floor_nopos(float nofpclass(pinf psub pnorm) %arg0) {
 }
 
 define float @ret_floor_nopos_nopzero(float nofpclass(pinf psub pnorm pzero) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nopos_nopzero
+; CHECK-LABEL: define nofpclass(pinf pzero sub pnorm) float @ret_floor_nopos_nopzero
 ; CHECK-SAME: (float nofpclass(pinf pzero psub pnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(pinf pzero sub pnorm) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -315,9 +315,9 @@ define float @ret_floor_nopos_nopzero(float nofpclass(pinf psub pnorm pzero) %ar
 }
 
 define float @ret_floor_nopos_nopzero_nonan(float nofpclass(pinf psub pnorm pzero nan) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nopos_nopzero_nonan
+; CHECK-LABEL: define nofpclass(nan pinf pzero sub pnorm) float @ret_floor_nopos_nopzero_nonan
 ; CHECK-SAME: (float nofpclass(nan pinf pzero psub pnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(nan pinf pzero sub pnorm) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -325,9 +325,9 @@ define float @ret_floor_nopos_nopzero_nonan(float nofpclass(pinf psub pnorm pzer
 }
 
 define float @ret_floor_nopos_nozero(float nofpclass(pinf psub pnorm zero) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nopos_nozero
+; CHECK-LABEL: define nofpclass(pinf pzero sub pnorm) float @ret_floor_nopos_nozero
 ; CHECK-SAME: (float nofpclass(pinf zero psub pnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(pinf pzero sub pnorm) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
@@ -335,15 +335,44 @@ define float @ret_floor_nopos_nozero(float nofpclass(pinf psub pnorm zero) %arg0
 }
 
 define float @ret_floor_nopos_nozero_nonan(float nofpclass(pinf psub pnorm zero nan) %arg0) {
-; CHECK-LABEL: define float @ret_floor_nopos_nozero_nonan
+; CHECK-LABEL: define nofpclass(nan pinf pzero sub pnorm) float @ret_floor_nopos_nozero_nonan
 ; CHECK-SAME: (float nofpclass(nan pinf zero psub pnorm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT:    [[CALL:%.*]] = call float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(nan pinf pzero sub pnorm) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
 ; CHECK-NEXT:    ret float [[CALL]]
 ;
   %call = call float @llvm.floor.f32(float %arg0)
   ret float %call
 }
 
+define float @ret_floor_nopzero_nopnorm(float nofpclass(pzero pnorm) %arg0) {
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nopzero_nopnorm
+; CHECK-SAME: (float nofpclass(pzero pnorm) [[ARG0:%.*]]) #[[ATTR1]] {
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    ret float [[CALL]]
+;
+  %call = call float @llvm.floor.f32(float %arg0)
+  ret float %call
+}
+
+define float @ret_floor_nonzero_nonnorm(float nofpclass(nzero nnorm) %arg0) {
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nonzero_nonnorm
+; CHECK-SAME: (float nofpclass(nzero nnorm) [[ARG0:%.*]]) #[[ATTR1]] {
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    ret float [[CALL]]
+;
+  %call = call float @llvm.floor.f32(float %arg0)
+  ret float %call
+}
+
+define float @ret_floor_nozero_nonorm(float nofpclass(zero norm) %arg0) {
+; CHECK-LABEL: define nofpclass(sub) float @ret_floor_nozero_nonorm
+; CHECK-SAME: (float nofpclass(zero norm) [[ARG0:%.*]]) #[[ATTR1]] {
+; CHECK-NEXT:    [[CALL:%.*]] = call nofpclass(sub) float @llvm.floor.f32(float [[ARG0]]) #[[ATTR2]]
+; CHECK-NEXT:    ret float [[CALL]]
+;
+  %call = call float @llvm.floor.f32(float %arg0)
+  ret float %call
+}