21 lines
784 B
LLVM
21 lines
784 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; Test that the strlen library call simplifier works correctly.
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;
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; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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@hello = constant [6 x i8] c"hello\00"
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declare i32 @strlen(i8*, i32)
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define i32 @test_no_simplify1() {
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; CHECK-LABEL: @test_no_simplify1(
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; CHECK-NEXT: [[HELLO_L:%.*]] = call i32 @strlen(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @hello, i32 0, i32 0), i32 187)
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; CHECK-NEXT: ret i32 [[HELLO_L]]
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;
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%hello_p = getelementptr [6 x i8], [6 x i8]* @hello, i32 0, i32 0
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%hello_l = call i32 @strlen(i8* %hello_p, i32 187)
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ret i32 %hello_l
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}
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