llvm/test/Transforms/InstCombine/2007-03-21-SignedRangeTest.ll
Sanjay Patel bfcd22b81a [InstCombine] allow icmp (div X, Y), C folds for splat constant vectors
Converting all of the overflow ops to APInt looked risky, so I've left that as a TODO.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@280299 91177308-0d34-0410-b5e6-96231b3b80d8
2016-08-31 21:57:21 +00:00

28 lines
788 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
; For PR1248
define i1 @test(i32 %tmp6) {
; CHECK-LABEL: @test(
; CHECK-NEXT: [[TMP6_OFF:%.*]] = add i32 %tmp6, 83
; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 [[TMP6_OFF]], 11
; CHECK-NEXT: ret i1 [[TMP1]]
;
%tmp7 = sdiv i32 %tmp6, 12
icmp ne i32 %tmp7, -6
ret i1 %1
}
define <2 x i1> @test_vec(<2 x i32> %tmp6) {
; CHECK-LABEL: @test_vec(
; CHECK-NEXT: [[TMP6_OFF:%.*]] = add <2 x i32> %tmp6, <i32 83, i32 83>
; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt <2 x i32> [[TMP6_OFF]], <i32 11, i32 11>
; CHECK-NEXT: ret <2 x i1> [[TMP1]]
;
%tmp7 = sdiv <2 x i32> %tmp6, <i32 12, i32 12>
icmp ne <2 x i32> %tmp7, <i32 -6, i32 -6>
ret <2 x i1> %1
}