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| author | David Majnemer <david.majnemer@gmail.com> | 2014-08-28 03:34:28 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2014-08-28 03:34:28 +0000 |
| commit | 76d06bc6132cb14ea2acf7b156ae5e0af184e499 (patch) | |
| tree | 34e907b2d7c6b4e196c7fdc246ed0d19eb4f0597 /llvm/test/Transforms/InstCombine/icmp.ll | |
| parent | 8d08a2770ed6ed5fb65b748f100bd8242c80132d (diff) | |
| download | bcm5719-llvm-76d06bc6132cb14ea2acf7b156ae5e0af184e499.tar.gz bcm5719-llvm-76d06bc6132cb14ea2acf7b156ae5e0af184e499.zip | |
InstSimplify: Move a transform from InstCombine to InstSimplify
Several combines involving icmp (shl C2, %X) C1 can be simplified
without introducing any new instructions. Move them to InstSimplify;
while we are at it, make them more powerful.
llvm-svn: 216642
Diffstat (limited to 'llvm/test/Transforms/InstCombine/icmp.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/icmp.ll | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/llvm/test/Transforms/InstCombine/icmp.ll b/llvm/test/Transforms/InstCombine/icmp.ll index 39438e94832..1713960ae57 100644 --- a/llvm/test/Transforms/InstCombine/icmp.ll +++ b/llvm/test/Transforms/InstCombine/icmp.ll @@ -1148,22 +1148,6 @@ define i1 @icmp_shl_1_V_eq_32(i32 %V) { ret i1 %cmp } -; CHECK-LABEL: @icmp_shl_1_V_eq_31( -; CHECK-NEXT: ret i1 false -define i1 @icmp_shl_1_V_eq_31(i32 %V) { - %shl = shl i32 1, %V - %cmp = icmp eq i32 %shl, 31 - ret i1 %cmp -} - -; CHECK-LABEL: @icmp_shl_1_V_ne_31( -; CHECK-NEXT: ret i1 true -define i1 @icmp_shl_1_V_ne_31(i32 %V) { - %shl = shl i32 1, %V - %cmp = icmp ne i32 %shl, 31 - ret i1 %cmp -} - ; CHECK-LABEL: @icmp_shl_1_V_ult_30( ; CHECK-NEXT: [[CMP:%[a-z0-9]+]] = icmp ult i32 %V, 5 ; CHECK-NEXT: ret i1 [[CMP]] @@ -1209,22 +1193,6 @@ define i1 @icmp_shl_1_V_uge_2147483648(i32 %V) { ret i1 %cmp } -; CHECK-LABEL: @icmp_shl_1_V_ugt_2147483648( -; CHECK-NEXT: ret i1 false -define i1 @icmp_shl_1_V_ugt_2147483648(i32 %V) { - %shl = shl i32 1, %V - %cmp = icmp ugt i32 %shl, 2147483648 - ret i1 %cmp -} - -; CHECK-LABEL: @icmp_shl_1_V_ule_2147483648( -; CHECK-NEXT: ret i1 true -define i1 @icmp_shl_1_V_ule_2147483648(i32 %V) { - %shl = shl i32 1, %V - %cmp = icmp ule i32 %shl, 2147483648 - ret i1 %cmp -} - ; CHECK-LABEL: @icmp_shl_1_V_ult_2147483648( ; CHECK-NEXT: [[CMP:%[a-z0-9]+]] = icmp ne i32 %V, 31 ; CHECK-NEXT: ret i1 [[CMP]] |
