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| author | Nicola Zaghen <nicola.zaghen@imgtec.com> | 2018-08-21 15:27:32 +0000 |
|---|---|---|
| committer | Nicola Zaghen <nicola.zaghen@imgtec.com> | 2018-08-21 15:27:32 +0000 |
| commit | 8a012cbabf21c818717ecd5c4de1ada6e9529193 (patch) | |
| tree | 78efb19498e18cf1f472a81662d7df6d7e5f839e /llvm/test | |
| parent | 43cf2c20ab7ad6761207e714ba54044309a452e7 (diff) | |
| download | bcm5719-llvm-8a012cbabf21c818717ecd5c4de1ada6e9529193.tar.gz bcm5719-llvm-8a012cbabf21c818717ecd5c4de1ada6e9529193.zip | |
[InstCombine] Add new tests for icmp ugt/ult (add nuw X, C2), C
Differential Revision: https://reviews.llvm.org/D51040
llvm-svn: 340284
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/icmp-add.ll | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/icmp-add.ll b/llvm/test/Transforms/InstCombine/icmp-add.ll index ec2fd13315e..49517e580ef 100644 --- a/llvm/test/Transforms/InstCombine/icmp-add.ll +++ b/llvm/test/Transforms/InstCombine/icmp-add.ll @@ -281,3 +281,46 @@ define i1 @slt_zero_add_nuw_signbit(i8 %x) { ret i1 %z } +define i1 @reduce_add_ult(i32 %in) { +; CHECK-LABEL: @reduce_add_ult( +; CHECK-NEXT: [[A6:%.*]] = add nuw i32 [[IN:%.*]], 3 +; CHECK-NEXT: [[A18:%.*]] = icmp ult i32 [[A6]], 12 +; CHECK-NEXT: ret i1 [[A18]] +; + %a6 = add nuw i32 %in, 3 + %a18 = icmp ult i32 %a6, 12 + ret i1 %a18 +} + +define i1 @reduce_add_ugt(i32 %in) { +; CHECK-LABEL: @reduce_add_ugt( +; CHECK-NEXT: [[A6:%.*]] = add nuw i32 [[IN:%.*]], 3 +; CHECK-NEXT: [[A18:%.*]] = icmp ugt i32 [[A6]], 12 +; CHECK-NEXT: ret i1 [[A18]] +; + %a6 = add nuw i32 %in, 3 + %a18 = icmp ugt i32 %a6, 12 + ret i1 %a18 +} + +define i1 @reduce_add_ule(i32 %in) { +; CHECK-LABEL: @reduce_add_ule( +; CHECK-NEXT: [[A6:%.*]] = add nuw i32 [[IN:%.*]], 3 +; CHECK-NEXT: [[A18:%.*]] = icmp ult i32 [[A6]], 13 +; CHECK-NEXT: ret i1 [[A18]] +; + %a6 = add nuw i32 %in, 3 + %a18 = icmp ule i32 %a6, 12 + ret i1 %a18 +} + +define i1 @reduce_add_uge(i32 %in) { +; CHECK-LABEL: @reduce_add_uge( +; CHECK-NEXT: [[A6:%.*]] = add nuw i32 [[IN:%.*]], 3 +; CHECK-NEXT: [[A18:%.*]] = icmp ugt i32 [[A6]], 11 +; CHECK-NEXT: ret i1 [[A18]] +; + %a6 = add nuw i32 %in, 3 + %a18 = icmp uge i32 %a6, 12 + ret i1 %a18 +} |
