1 ; RUN: llc < %s -march=x86 -regalloc=linearscan | FileCheck %s 2 ; RUN: llc < %s -march=x86 -regalloc=fast | FileCheck %s 3 ; RUN: llc < %s -march=x86 -regalloc=basic | FileCheck %s 4 ; RUN: llc < %s -march=x86 -regalloc=greedy | FileCheck %s 5 6 ; The 1st, 2nd, 3rd and 5th registers must all be different. The registers 7 ; referenced in the 4th and 6th operands must not be the same as the 1st or 5th 8 ; operand. 9 ; 10 ; CHECK: 1st=[[A1:%...]] 11 ; CHECK-NOT: [[A1]] 12 ; CHECK: 2nd=[[A2:%...]] 13 ; CHECK-NOT: [[A1]] 14 ; CHECK-NOT: [[A2]] 15 ; CHECK: 3rd=[[A3:%...]] 16 ; CHECK-NOT: [[A1]] 17 ; CHECK-NOT: [[A2]] 18 ; CHECK-NOT: [[A3]] 19 ; CHECK: 5th=[[A5:%...]] 20 ; CHECK-NOT: [[A1]] 21 ; CHECK-NOT: [[A5]] 22 ; CHECK: =4th 23 24 ; The 6th operand is an 8-bit register, and it mustn't alias the 1st and 5th. 25 ; CHECK: 1%e[[S1:.]]x 26 ; CHECK: 5%e[[S5:.]]x 27 ; CHECK-NOT: %[[S1]] 28 ; CHECK-NOT: %[[S5]] 29 30 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-f80:128:128" 31 target triple = "i386-apple-darwin8" 32 %struct.foo = type { i32, i32, i8* } 33 34 define i32 @get(%struct.foo* %c, i8* %state) nounwind { 35 entry: 36 %0 = getelementptr %struct.foo* %c, i32 0, i32 0 ; <i32*> [#uses=2] 37 %1 = getelementptr %struct.foo* %c, i32 0, i32 1 ; <i32*> [#uses=2] 38 %2 = getelementptr %struct.foo* %c, i32 0, i32 2 ; <i8**> [#uses=2] 39 %3 = load i32* %0, align 4 ; <i32> [#uses=1] 40 %4 = load i32* %1, align 4 ; <i32> [#uses=1] 41 %5 = load i8* %state, align 1 ; <i8> [#uses=1] 42 %asmtmp = tail call { i32, i32, i32, i32 } asm sideeffect "#1st=$0 $1 2nd=$1 $2 3rd=$2 $4 5th=$4 $3=4th 1$0 1%eXx 5$4 5%eXx 6th=$5", "=&r,=r,=r,=*m,=&q,=*imr,1,2,*m,5,~{dirflag},~{fpsr},~{flags},~{cx}"(i8** %2, i8* %state, i32 %3, i32 %4, i8** %2, i8 %5) nounwind ; <{ i32, i32, i32, i32 }> [#uses=3] 43 %asmresult = extractvalue { i32, i32, i32, i32 } %asmtmp, 0 ; <i32> [#uses=1] 44 %asmresult1 = extractvalue { i32, i32, i32, i32 } %asmtmp, 1 ; <i32> [#uses=1] 45 store i32 %asmresult1, i32* %0 46 %asmresult2 = extractvalue { i32, i32, i32, i32 } %asmtmp, 2 ; <i32> [#uses=1] 47 store i32 %asmresult2, i32* %1 48 ret i32 %asmresult 49 } 50
