| David Callahan | ebcf916 | 2016-12-13 16:42:18 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -sroa -adce -adce-remove-loops -S | FileCheck %s |
| 2 | ; ModuleID = 'test1.bc' |
| 3 | source_filename = "test1.c" |
| 4 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 5 | target triple = "x86_64-unknown-linux-gnu" |
| 6 | |
| 7 | ; Function Attrs: nounwind uwtable |
| 8 | define i32 @foo(i32, i32, i32) #0 { |
| 9 | %4 = alloca i32, align 4 |
| 10 | %5 = alloca i32, align 4 |
| 11 | %6 = alloca i32, align 4 |
| 12 | %7 = alloca i32, align 4 |
| 13 | %8 = alloca i32, align 4 |
| 14 | store i32 %0, i32* %4, align 4 |
| 15 | store i32 %1, i32* %5, align 4 |
| 16 | store i32 %2, i32* %6, align 4 |
| 17 | store i32 0, i32* %7, align 4 |
| 18 | %9 = load i32, i32* %5, align 4 |
| 19 | %I10 = icmp ne i32 %9, 0 |
| 20 | br i1 %I10, label %B11, label %B21 |
| 21 | |
| 22 | B11: |
| 23 | store i32 0, i32* %8, align 4 |
| 24 | br label %B12 |
| 25 | |
| 26 | B12: |
| 27 | %I13 = load i32, i32* %8, align 4 |
| 28 | %I14 = load i32, i32* %6, align 4 |
| 29 | %I15 = icmp slt i32 %I13, %I14 |
| 30 | ; CHECK: br label %B20 |
| 31 | br i1 %I15, label %B16, label %B20 |
| 32 | |
| 33 | B16: |
| 34 | br label %B17 |
| 35 | |
| 36 | B17: |
| 37 | %I18 = load i32, i32* %8, align 4 |
| 38 | %I19 = add nsw i32 %I18, 1 |
| 39 | store i32 %I19, i32* %8, align 4 |
| 40 | br label %B12 |
| 41 | |
| 42 | B20: |
| 43 | store i32 1, i32* %7, align 4 |
| 44 | br label %B21 |
| 45 | |
| 46 | B21: |
| 47 | %I22 = load i32, i32* %7, align 4 |
| 48 | ret i32 %I22 |
| 49 | } |
| 50 | |
| 51 | attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| 52 | |
| 53 | !llvm.ident = !{!0} |
| 54 | |
| 55 | !0 = !{!"clang version 4.0.0 (http://llvm.org/git/clang.git 5864a13abf4490e76ae2eb0896198e1305927df2)"} |