1; NOTE: Assertions have been autogenerated by update_test_checks.py
2; RUN: opt -S -instsimplify < %s | FileCheck %s
3
4target datalayout = "E-m:e-i64:64-n32:64"
5target triple = "powerpc64-unknown-linux-gnu"
6
7define zeroext i1 @_Z10isNegativemj(i64 %Val, i32 zeroext %IntegerBitWidth) {
8; CHECK-LABEL: @_Z10isNegativemj(
9; CHECK:         [[CONV:%.*]] = zext i32 %IntegerBitWidth to i64
10; CHECK-NEXT:    [[SUB:%.*]] = sub i64 128, [[CONV]]
11; CHECK-NEXT:    [[CONV1:%.*]] = trunc i64 [[SUB]] to i32
12; CHECK-NEXT:    [[CONV2:%.*]] = zext i64 %Val to i128
13; CHECK-NEXT:    [[SH_PROM:%.*]] = zext i32 [[CONV1]] to i128
14; CHECK-NEXT:    [[SHL:%.*]] = shl i128 [[CONV2]], [[SH_PROM]]
15; CHECK-NEXT:    [[SHR:%.*]] = ashr i128 [[SHL]], [[SH_PROM]]
16; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i128 [[SHR]], 0
17; CHECK-NEXT:    ret i1 [[CMP]]
18;
19entry:
20  %conv = zext i32 %IntegerBitWidth to i64
21  %sub = sub i64 128, %conv
22  %conv1 = trunc i64 %sub to i32
23  %conv2 = zext i64 %Val to i128
24  %sh_prom = zext i32 %conv1 to i128
25  %shl = shl i128 %conv2, %sh_prom
26  %shr = ashr i128 %shl, %sh_prom
27  %cmp = icmp slt i128 %shr, 0
28  ret i1 %cmp
29}
30
31