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Diffstat (limited to 'release_23/test/Transforms/InstCombine/mul.ll')
-rw-r--r-- | release_23/test/Transforms/InstCombine/mul.ll | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/release_23/test/Transforms/InstCombine/mul.ll b/release_23/test/Transforms/InstCombine/mul.ll deleted file mode 100644 index 8e9ab8d4213e..000000000000 --- a/release_23/test/Transforms/InstCombine/mul.ll +++ /dev/null @@ -1,80 +0,0 @@ -; This test makes sure that mul instructions are properly eliminated. -; -; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep mul -; END. - -define i32 @test1(i32 %A) { - %B = mul i32 %A, 1 ; <i32> [#uses=1] - ret i32 %B -} - -define i32 @test2(i32 %A) { - ; Should convert to an add instruction - %B = mul i32 %A, 2 ; <i32> [#uses=1] - ret i32 %B -} - -define i32 @test3(i32 %A) { - ; This should disappear entirely - %B = mul i32 %A, 0 ; <i32> [#uses=1] - ret i32 %B -} - -define double @test4(double %A) { - ; This is safe for FP - %B = mul double 1.000000e+00, %A ; <double> [#uses=1] - ret double %B -} - -define i32 @test5(i32 %A) { - %B = mul i32 %A, 8 ; <i32> [#uses=1] - ret i32 %B -} - -define i8 @test6(i8 %A) { - %B = mul i8 %A, 8 ; <i8> [#uses=1] - %C = mul i8 %B, 8 ; <i8> [#uses=1] - ret i8 %C -} - -define i32 @test7(i32 %i) { - %tmp = mul i32 %i, -1 ; <i32> [#uses=1] - ret i32 %tmp -} - -define i64 @test8(i64 %i) { - ; tmp = sub 0, %i - %j = mul i64 %i, -1 ; <i64> [#uses=1] - ret i64 %j -} - -define i32 @test9(i32 %i) { - ; %j = sub 0, %i - %j = mul i32 %i, -1 ; <i32> [#uses=1] - ret i32 %j -} - -define i32 @test10(i32 %a, i32 %b) { - %c = icmp slt i32 %a, 0 ; <i1> [#uses=1] - %d = zext i1 %c to i32 ; <i32> [#uses=1] - ; e = b & (a >> 31) - %e = mul i32 %d, %b ; <i32> [#uses=1] - ret i32 %e -} - -define i32 @test11(i32 %a, i32 %b) { - %c = icmp sle i32 %a, -1 ; <i1> [#uses=1] - %d = zext i1 %c to i32 ; <i32> [#uses=1] - ; e = b & (a >> 31) - %e = mul i32 %d, %b ; <i32> [#uses=1] - ret i32 %e -} - -define i32 @test12(i8 %a, i32 %b) { - %c = icmp ugt i8 %a, 127 ; <i1> [#uses=1] - %d = zext i1 %c to i32 ; <i32> [#uses=1] - ; e = b & (a >> 31) - %e = mul i32 %d, %b ; <i32> [#uses=1] - ret i32 %e -} - |