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testcase for PR1357

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36598 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-04-30 21:10:13 +00:00
parent 99eaef9b06
commit 27679be2c0
1 changed files with 27 additions and 0 deletions
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test/CodeGen/PowerPC/2007-04-30-InlineAsmEarlyClobber.ll Normal file
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; RUN: llvm-as < %s | llc | grep {subfc r2,r5,r4}
; RUN: llvm-as < %s | llc | grep {subfze r4,r3}
; PR1357
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"
target triple = "powerpc-apple-darwin8.8.0"
;long long test(int A, int B, int C) {
; unsigned X, Y;
; __asm__ ("subf%I3c %1,%4,%3\n\tsubfze %0,%2"
; : "=r" (X), "=&r" (Y)
; : "r" (A), "rI" (B), "r" (C));
; return ((long long)Y << 32) | X;
;}
define i64 @test(i32 %A, i32 %B, i32 %C) {
entry:
%Y = alloca i32, align 4 ; <i32*> [#uses=2]
%tmp4 = call i32 asm "subf${3:I}c $1,$4,$3\0A\09subfze $0,$2", "=r,=*&r,r,rI,r"( i32* %Y, i32 %A, i32 %B, i32 %C ) ; <i32> [#uses=1]
%tmp5 = load i32* %Y ; <i32> [#uses=1]
%tmp56 = zext i32 %tmp5 to i64 ; <i64> [#uses=1]
%tmp7 = shl i64 %tmp56, 32 ; <i64> [#uses=1]
%tmp89 = zext i32 %tmp4 to i64 ; <i64> [#uses=1]
%tmp10 = or i64 %tmp7, %tmp89 ; <i64> [#uses=1]
ret i64 %tmp10
}