llvm-for-llvmta/test/CodeGen/Thumb2/2009-07-21-ISelBug.ll

37 lines
1.6 KiB
LLVM

; RUN: llc < %s -mtriple=thumbv7-apple-ios -mattr=+vfp2,+thumb2 | FileCheck %s
; rdar://7076238
@"\01LC" = external constant [36 x i8], align 1 ; <[36 x i8]*> [#uses=1]
define i32 @t(i32, ...) nounwind "frame-pointer"="all" {
entry:
; CHECK-LABEL: t:
; CHECK: add r7, sp, #12
%1 = load i8*, i8** undef, align 4 ; <i8*> [#uses=3]
%2 = getelementptr i8, i8* %1, i32 4 ; <i8*> [#uses=1]
%3 = getelementptr i8, i8* %1, i32 8 ; <i8*> [#uses=1]
%4 = bitcast i8* %2 to i32* ; <i32*> [#uses=1]
%5 = load i32, i32* %4, align 4 ; <i32> [#uses=1]
%6 = trunc i32 %5 to i8 ; <i8> [#uses=1]
%7 = getelementptr i8, i8* %1, i32 12 ; <i8*> [#uses=1]
%8 = bitcast i8* %3 to i32* ; <i32*> [#uses=1]
%9 = load i32, i32* %8, align 4 ; <i32> [#uses=1]
%10 = trunc i32 %9 to i16 ; <i16> [#uses=1]
%11 = bitcast i8* %7 to i32* ; <i32*> [#uses=1]
%12 = load i32, i32* %11, align 4 ; <i32> [#uses=1]
%13 = trunc i32 %12 to i16 ; <i16> [#uses=1]
%14 = load i32, i32* undef, align 4 ; <i32> [#uses=2]
%15 = sext i8 %6 to i32 ; <i32> [#uses=2]
%16 = sext i16 %10 to i32 ; <i32> [#uses=2]
%17 = sext i16 %13 to i32 ; <i32> [#uses=2]
%18 = call i32 (i8*, ...) @printf(i8* getelementptr ([36 x i8], [36 x i8]* @"\01LC", i32 0, i32 0), i32 -128, i32 0, i32 %15, i32 %16, i32 %17, i32 0, i32 %14) nounwind ; <i32> [#uses=0]
%19 = add i32 0, %15 ; <i32> [#uses=1]
%20 = add i32 %19, %16 ; <i32> [#uses=1]
%21 = add i32 %20, %14 ; <i32> [#uses=1]
%22 = add i32 %21, %17 ; <i32> [#uses=1]
%23 = add i32 %22, 0 ; <i32> [#uses=1]
ret i32 %23
}
declare i32 @printf(i8* nocapture, ...) nounwind