| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=instsimplify -S | FileCheck %s |
| |
| declare i8 @llvm.abs.i8(i8, i1) |
| declare <8 x i8> @llvm.abs.v8i8(<8 x i8>, i1) |
| |
| define i8 @undef_val_min_poison() { |
| ; CHECK-LABEL: @undef_val_min_poison( |
| ; CHECK-NEXT: ret i8 poison |
| ; |
| %r = call i8 @llvm.abs.i8(i8 undef, i1 true) |
| ret i8 %r |
| } |
| |
| define i8 @undef_val_min_not_poison() { |
| ; CHECK-LABEL: @undef_val_min_not_poison( |
| ; CHECK-NEXT: ret i8 0 |
| ; |
| %r = call i8 @llvm.abs.i8(i8 undef, i1 false) |
| ret i8 %r |
| } |
| |
| define i8 @min_val_min_poison() { |
| ; CHECK-LABEL: @min_val_min_poison( |
| ; CHECK-NEXT: ret i8 poison |
| ; |
| %r = call i8 @llvm.abs.i8(i8 -128, i1 true) |
| ret i8 %r |
| } |
| |
| define i8 @min_val_min_not_poison() { |
| ; CHECK-LABEL: @min_val_min_not_poison( |
| ; CHECK-NEXT: ret i8 -128 |
| ; |
| %r = call i8 @llvm.abs.i8(i8 -128, i1 false) |
| ret i8 %r |
| } |
| |
| define <8 x i8> @vec_const() { |
| ; CHECK-LABEL: @vec_const( |
| ; CHECK-NEXT: ret <8 x i8> <i8 127, i8 126, i8 42, i8 1, i8 0, i8 1, i8 42, i8 127> |
| ; |
| %r = call <8 x i8> @llvm.abs.v8i8(<8 x i8> <i8 -127, i8 -126, i8 -42, i8 -1, i8 0, i8 1, i8 42, i8 127>, i1 1) |
| ret <8 x i8> %r |
| } |