1; RUN: llc < %s -march=x86 -mtriple=i386-linux-gnu -mcpu=penryn -mattr=sse4.1 | FileCheck %s --check-prefix=X32 2; RUN: llc < %s -mtriple=x86_64-linux -mcpu=penryn -mattr=sse4.1 | FileCheck %s --check-prefix=X64 3; RUN: llc < %s -mtriple=x86_64-win32 -mcpu=penryn -mattr=sse4.1 | FileCheck %s --check-prefix=X64 4 5define i32 @test1() nounwind readonly { 6; X32-LABEL: test1: 7; X32: # BB#0: # %entry 8; X32-NEXT: movl %gs:196, %eax 9; X32-NEXT: movl (%eax), %eax 10; X32-NEXT: retl 11; 12; X64-LABEL: test1: 13; X64: # BB#0: # %entry 14; X64-NEXT: movq %gs:320, %rax 15; X64-NEXT: movl (%rax), %eax 16; X64-NEXT: retq 17entry: 18 %tmp = load i32*, i32* addrspace(256)* getelementptr (i32*, i32* addrspace(256)* inttoptr (i32 72 to i32* addrspace(256)*), i32 31) ; <i32*> [#uses=1] 19 %tmp1 = load i32, i32* %tmp ; <i32> [#uses=1] 20 ret i32 %tmp1 21} 22 23define i64 @test2(void (i8*)* addrspace(256)* %tmp8) nounwind { 24; X32-LABEL: test2: 25; X32: # BB#0: # %entry 26; X32-NEXT: subl $12, %esp 27; X32-NEXT: movl {{[0-9]+}}(%esp), %eax 28; X32-NEXT: calll *%gs:(%eax) 29; X32-NEXT: xorl %eax, %eax 30; X32-NEXT: xorl %edx, %edx 31; X32-NEXT: addl $12, %esp 32; X32-NEXT: retl 33; 34; X64-LABEL: test2: 35; X64: # BB#0: # %entry 36; X64-NEXT: {{(subq.*%rsp|pushq)}} 37; X64-NEXT: callq *%gs:(%{{(rcx|rdi)}}) 38; X64-NEXT: xorl %eax, %eax 39; X64-NEXT: {{(addq.*%rsp|popq)}} 40; X64-NEXT: retq 41entry: 42 %tmp9 = load void (i8*)*, void (i8*)* addrspace(256)* %tmp8, align 8 43 tail call void %tmp9(i8* undef) nounwind optsize 44 ret i64 0 45} 46 47define <2 x i64> @pmovsxwd_1(i64 addrspace(256)* %p) nounwind readonly { 48; X32-LABEL: pmovsxwd_1: 49; X32: # BB#0: # %entry 50; X32-NEXT: movl {{[0-9]+}}(%esp), %eax 51; X32-NEXT: pmovsxwd %gs:(%eax), %xmm0 52; X32-NEXT: retl 53; 54; X64-LABEL: pmovsxwd_1: 55; X64: # BB#0: # %entry 56; X64-NEXT: pmovsxwd %gs:(%{{(rcx|rdi)}}), %xmm0 57; X64-NEXT: retq 58entry: 59 %0 = load i64, i64 addrspace(256)* %p 60 %tmp2 = insertelement <2 x i64> zeroinitializer, i64 %0, i32 0 61 %1 = bitcast <2 x i64> %tmp2 to <8 x i16> 62 %2 = tail call <4 x i32> @llvm.x86.sse41.pmovsxwd(<8 x i16> %1) nounwind readnone 63 %3 = bitcast <4 x i32> %2 to <2 x i64> 64 ret <2 x i64> %3 65} 66 67; The two loads here both look identical to selection DAG, except for their 68; address spaces. Make sure they aren't CSE'd. 69define i32 @test_no_cse() nounwind readonly { 70; X32-LABEL: test_no_cse: 71; X32: # BB#0: # %entry 72; X32-NEXT: movl %gs:196, %eax 73; X32-NEXT: movl (%eax), %eax 74; X32-NEXT: movl %fs:196, %ecx 75; X32-NEXT: addl (%ecx), %eax 76; X32-NEXT: retl 77; 78; X64-LABEL: test_no_cse: 79; X64: # BB#0: # %entry 80; X64-NEXT: movq %gs:320, %rax 81; X64-NEXT: movl (%rax), %eax 82; X64-NEXT: movq %fs:320, %rcx 83; X64-NEXT: addl (%rcx), %eax 84; X64-NEXT: retq 85entry: 86 %tmp = load i32*, i32* addrspace(256)* getelementptr (i32*, i32* addrspace(256)* inttoptr (i32 72 to i32* addrspace(256)*), i32 31) ; <i32*> [#uses=1] 87 %tmp1 = load i32, i32* %tmp ; <i32> [#uses=1] 88 %tmp2 = load i32*, i32* addrspace(257)* getelementptr (i32*, i32* addrspace(257)* inttoptr (i32 72 to i32* addrspace(257)*), i32 31) ; <i32*> [#uses=1] 89 %tmp3 = load i32, i32* %tmp2 ; <i32> [#uses=1] 90 %tmp4 = add i32 %tmp1, %tmp3 91 ret i32 %tmp4 92} 93 94declare <4 x i32> @llvm.x86.sse41.pmovsxwd(<8 x i16>) nounwind readnone 95