Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/select.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | 54457678186b |
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mcpu=generic | FileCheck %s ; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mcpu=atom | FileCheck -check-prefix=ATOM %s ; PR5757 %0 = type { i64, i32 } define i32 @test1(%0* %p, %0* %q, i1 %r) nounwind { %t0 = load %0* %p %t1 = load %0* %q %t4 = select i1 %r, %0 %t0, %0 %t1 %t5 = extractvalue %0 %t4, 1 ret i32 %t5 ; CHECK-LABEL: test1: ; CHECK: cmovneq %rdi, %rsi ; CHECK: movl (%rsi), %eax ; ATOM-LABEL: test1: ; ATOM: cmovneq %rdi, %rsi ; ATOM: movl (%rsi), %eax } ; PR2139 define i32 @test2() nounwind { entry: %tmp73 = tail call i1 @return_false() ; <i8> [#uses=1] %g.0 = select i1 %tmp73, i16 0, i16 -480 ; <i16> [#uses=2] %tmp7778 = sext i16 %g.0 to i32 ; <i32> [#uses=1] %tmp80 = shl i32 %tmp7778, 3 ; <i32> [#uses=2] %tmp87 = icmp sgt i32 %tmp80, 32767 ; <i1> [#uses=1] br i1 %tmp87, label %bb90, label %bb91 bb90: ; preds = %bb84, %bb72 unreachable bb91: ; preds = %bb84 ret i32 0 ; CHECK-LABEL: test2: ; CHECK: cmovnew ; CHECK: cwtl ; ATOM-LABEL: test2: ; ATOM: cmovnew ; ATOM: cwtl } declare i1 @return_false() ;; Select between two floating point constants. define float @test3(i32 %x) nounwind readnone { entry: %0 = icmp eq i32 %x, 0 ; <i1> [#uses=1] %iftmp.0.0 = select i1 %0, float 4.200000e+01, float 2.300000e+01 ; <float> [#uses=1] ret float %iftmp.0.0 ; CHECK-LABEL: test3: ; CHECK: movss {{.*}},4), %xmm0 ; ATOM-LABEL: test3: ; ATOM: movss {{.*}},4), %xmm0 } define signext i8 @test4(i8* nocapture %P, double %F) nounwind readonly { entry: %0 = fcmp olt double %F, 4.200000e+01 ; <i1> [#uses=1] %iftmp.0.0 = select i1 %0, i32 4, i32 0 ; <i32> [#uses=1] %1 = getelementptr i8* %P, i32 %iftmp.0.0 ; <i8*> [#uses=1] %2 = load i8* %1, align 1 ; <i8> [#uses=1] ret i8 %2 ; CHECK-LABEL: test4: ; CHECK: movsbl ({{.*}},4), %eax ; ATOM-LABEL: test4: ; ATOM: movsbl ({{.*}},4), %eax } define void @test5(i1 %c, <2 x i16> %a, <2 x i16> %b, <2 x i16>* %p) nounwind { %x = select i1 %c, <2 x i16> %a, <2 x i16> %b store <2 x i16> %x, <2 x i16>* %p ret void ; CHECK-LABEL: test5: ; ATOM-LABEL: test5: } define void @test6(i32 %C, <4 x float>* %A, <4 x float>* %B) nounwind { %tmp = load <4 x float>* %A ; <<4 x float>> [#uses=1] %tmp3 = load <4 x float>* %B ; <<4 x float>> [#uses=2] %tmp9 = fmul <4 x float> %tmp3, %tmp3 ; <<4 x float>> [#uses=1] %tmp.upgrd.1 = icmp eq i32 %C, 0 ; <i1> [#uses=1] %iftmp.38.0 = select i1 %tmp.upgrd.1, <4 x float> %tmp9, <4 x float> %tmp ; <<4 x float>> [#uses=1] store <4 x float> %iftmp.38.0, <4 x float>* %A ret void ; Verify that the fmul gets sunk into the one part of the diamond where it is ; needed. ; CHECK-LABEL: test6: ; CHECK: je ; CHECK: ret ; CHECK: mulps ; CHECK: ret ; ATOM-LABEL: test6: ; ATOM: je ; ATOM: ret ; ATOM: mulps ; ATOM: ret } ; Select with fp80's define x86_fp80 @test7(i32 %tmp8) nounwind { %tmp9 = icmp sgt i32 %tmp8, -1 ; <i1> [#uses=1] %retval = select i1 %tmp9, x86_fp80 0xK4005B400000000000000, x86_fp80 0xK40078700000000000000 ret x86_fp80 %retval ; CHECK-LABEL: test7: ; CHECK: leaq ; CHECK: fldt (%r{{.}}x,%r{{.}}x) ; ATOM-LABEL: test7: ; ATOM: leaq ; ATOM: fldt (%r{{.}}x,%r{{.}}x) } ; widening select v6i32 and then a sub define void @test8(i1 %c, <6 x i32>* %dst.addr, <6 x i32> %src1,<6 x i32> %src2) nounwind { %x = select i1 %c, <6 x i32> %src1, <6 x i32> %src2 %val = sub <6 x i32> %x, < i32 1, i32 1, i32 1, i32 1, i32 1, i32 1 > store <6 x i32> %val, <6 x i32>* %dst.addr ret void ; CHECK-LABEL: test8: ; ATOM-LABEL: test8: } ;; Test integer select between values and constants. define i64 @test9(i64 %x, i64 %y) nounwind readnone ssp noredzone { %cmp = icmp ne i64 %x, 0 %cond = select i1 %cmp, i64 %y, i64 -1 ret i64 %cond ; CHECK-LABEL: test9: ; CHECK: cmpq $1, %rdi ; CHECK: sbbq %rax, %rax ; CHECK: orq %rsi, %rax ; CHECK: ret ; ATOM-LABEL: test9: ; ATOM: cmpq $1, %rdi ; ATOM: sbbq %rax, %rax ; ATOM: orq %rsi, %rax ; ATOM: ret } ;; Same as test9 define i64 @test9a(i64 %x, i64 %y) nounwind readnone ssp noredzone { %cmp = icmp eq i64 %x, 0 %cond = select i1 %cmp, i64 -1, i64 %y ret i64 %cond ; CHECK-LABEL: test9a: ; CHECK: cmpq $1, %rdi ; CHECK: sbbq %rax, %rax ; CHECK: orq %rsi, %rax ; CHECK: ret ; ATOM-LABEL: test9a: ; ATOM: cmpq $1, %rdi ; ATOM: sbbq %rax, %rax ; ATOM: orq %rsi, %rax ; ATOM: ret } define i64 @test9b(i64 %x, i64 %y) nounwind readnone ssp noredzone { %cmp = icmp eq i64 %x, 0 %A = sext i1 %cmp to i64 %cond = or i64 %y, %A ret i64 %cond ; CHECK-LABEL: test9b: ; CHECK: cmpq $1, %rdi ; CHECK: sbbq %rax, %rax ; CHECK: orq %rsi, %rax ; CHECK: ret ; ATOM-LABEL: test9b: ; ATOM: cmpq $1, %rdi ; ATOM: sbbq %rax, %rax ; ATOM: orq %rsi, %rax ; ATOM: ret } ;; Select between -1 and 1. define i64 @test10(i64 %x, i64 %y) nounwind readnone ssp noredzone { %cmp = icmp eq i64 %x, 0 %cond = select i1 %cmp, i64 -1, i64 1 ret i64 %cond ; CHECK-LABEL: test10: ; CHECK: cmpq $1, %rdi ; CHECK: sbbq %rax, %rax ; CHECK: orq $1, %rax ; CHECK: ret ; ATOM-LABEL: test10: ; ATOM: cmpq $1, %rdi ; ATOM: sbbq %rax, %rax ; ATOM: orq $1, %rax ; ATOM: ret } define i64 @test11(i64 %x, i64 %y) nounwind readnone ssp noredzone { %cmp = icmp eq i64 %x, 0 %cond = select i1 %cmp, i64 %y, i64 -1 ret i64 %cond ; CHECK-LABEL: test11: ; CHECK: cmpq $1, %rdi ; CHECK: sbbq %rax, %rax ; CHECK: notq %rax ; CHECK: orq %rsi, %rax ; CHECK: ret ; ATOM-LABEL: test11: ; ATOM: cmpq $1, %rdi ; ATOM: sbbq %rax, %rax ; ATOM: notq %rax ; ATOM: orq %rsi, %rax ; ATOM: ret } define i64 @test11a(i64 %x, i64 %y) nounwind readnone ssp noredzone { %cmp = icmp ne i64 %x, 0 %cond = select i1 %cmp, i64 -1, i64 %y ret i64 %cond ; CHECK-LABEL: test11a: ; CHECK: cmpq $1, %rdi ; CHECK: sbbq %rax, %rax ; CHECK: notq %rax ; CHECK: orq %rsi, %rax ; CHECK: ret ; ATOM-LABEL: test11a: ; ATOM: cmpq $1, %rdi ; ATOM: sbbq %rax, %rax ; ATOM: notq %rax ; ATOM: orq %rsi, %rax ; ATOM: ret } declare noalias i8* @_Znam(i64) noredzone define noalias i8* @test12(i64 %count) nounwind ssp noredzone { entry: %A = tail call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %count, i64 4) %B = extractvalue { i64, i1 } %A, 1 %C = extractvalue { i64, i1 } %A, 0 %D = select i1 %B, i64 -1, i64 %C %call = tail call noalias i8* @_Znam(i64 %D) nounwind noredzone ret i8* %call ; CHECK-LABEL: test12: ; CHECK: mulq ; CHECK: movq $-1, %[[R:r..]] ; CHECK: cmovnoq %rax, %[[R]] ; CHECK: jmp __Znam ; ATOM-LABEL: test12: ; ATOM: mulq ; ATOM: movq $-1, %rdi ; ATOM: cmovnoq %rax, %rdi ; ATOM: jmp __Znam } declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone define i32 @test13(i32 %a, i32 %b) nounwind { %c = icmp ult i32 %a, %b %d = sext i1 %c to i32 ret i32 %d ; CHECK-LABEL: test13: ; CHECK: cmpl ; CHECK-NEXT: sbbl ; CHECK-NEXT: ret ; ATOM-LABEL: test13: ; ATOM: cmpl ; ATOM-NEXT: sbbl ; ATOM: ret } define i32 @test14(i32 %a, i32 %b) nounwind { %c = icmp uge i32 %a, %b %d = sext i1 %c to i32 ret i32 %d ; CHECK-LABEL: test14: ; CHECK: cmpl ; CHECK-NEXT: sbbl ; CHECK-NEXT: notl ; CHECK-NEXT: ret ; ATOM-LABEL: test14: ; ATOM: cmpl ; ATOM-NEXT: sbbl ; ATOM-NEXT: notl ; ATOM: ret } ; rdar://10961709 define i32 @test15(i32 %x) nounwind { entry: %cmp = icmp ne i32 %x, 0 %sub = sext i1 %cmp to i32 ret i32 %sub ; CHECK-LABEL: test15: ; CHECK: negl ; CHECK: sbbl ; ATOM-LABEL: test15: ; ATOM: negl ; ATOM: sbbl } define i64 @test16(i64 %x) nounwind uwtable readnone ssp { entry: %cmp = icmp ne i64 %x, 0 %conv1 = sext i1 %cmp to i64 ret i64 %conv1 ; CHECK-LABEL: test16: ; CHECK: negq ; CHECK: sbbq ; ATOM-LABEL: test16: ; ATOM: negq ; ATOM: sbbq } define i16 @test17(i16 %x) nounwind { entry: %cmp = icmp ne i16 %x, 0 %sub = sext i1 %cmp to i16 ret i16 %sub ; CHECK-LABEL: test17: ; CHECK: negw ; CHECK: sbbw ; ATOM-LABEL: test17: ; ATOM: negw ; ATOM: sbbw } define i8 @test18(i32 %x, i8 zeroext %a, i8 zeroext %b) nounwind { %cmp = icmp slt i32 %x, 15 %sel = select i1 %cmp, i8 %a, i8 %b ret i8 %sel ; CHECK-LABEL: test18: ; CHECK: cmpl $15, %edi ; CHECK: cmovgel %edx ; ATOM-LABEL: test18: ; ATOM: cmpl $15, %edi ; ATOM: cmovgel %edx }