| ; RUN: llc -verify-machineinstrs < %s | FileCheck %s |
| ; RUN: llc -verify-machineinstrs < %s -regalloc=fast -optimize-regalloc=0 | FileCheck %s |
| ; The first argument of subfc must not be the same as any other register. |
| |
| ; CHECK: APP |
| ; CHECK: subc [[REG:[0-9]+]], |
| ; CHECK-NOT: [[REG]] |
| ; CHECK: NO_APP |
| ; 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-unknown-linux-gnu" |
| |
| ;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) nounwind { |
| 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, 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 |
| } |
