File: 2012-04-09-TwoAddrPassBug.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (34 lines) | stat: -rw-r--r-- 1,207 bytes parent folder | download | duplicates (24)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
; RUN: llc -O1 -verify-coalescing < %s
; PR12495
target datalayout =
"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.7.0"

define void @func(i8* nocapture) nounwind uwtable ssp align 2 {
  br i1 undef, label %4, label %2

; <label>:2                                       ; preds = %1                  
  %3 = tail call double @foo() nounwind
  br label %4

; <label>:4                                       ; preds = %2, %1              
  %5 = phi double [ %3, %2 ], [ 0.000000e+00, %1 ]
  %6 = fsub double %5, undef
  %7 = fcmp olt double %6, 0.000000e+00
  %8 = select i1 %7, double 0.000000e+00, double %6
  %9 = fcmp olt double undef, 0.000000e+00
  %10 = fcmp olt double %8, undef
  %11 = or i1 %9, %10
  br i1 %11, label %12, label %14

; <label>:12                                      ; preds = %4                  
  %13 = tail call double @fmod(double %8, double 0.000000e+00) nounwind
  unreachable

; <label>:14                                      ; preds = %4                  
  ret void
}

declare double @foo()

declare double @fmod(double, double)