forked from OSchip/llvm-project
568 lines
16 KiB
LLVM
568 lines
16 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mcpu=atom | FileCheck %s --check-prefix=CHECK --check-prefix=ATOM
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; PR5757
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%0 = type { i64, i32 }
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define i32 @test1(%0* %p, %0* %q, i1 %r) nounwind {
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; CHECK-LABEL: test1:
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; CHECK: ## BB#0:
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; CHECK-NEXT: addq $8, %rdi
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; CHECK-NEXT: addq $8, %rsi
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; CHECK-NEXT: testb $1, %dl
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; CHECK-NEXT: cmovneq %rdi, %rsi
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; CHECK-NEXT: movl (%rsi), %eax
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; CHECK-NEXT: retq
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%t0 = load %0, %0* %p
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%t1 = load %0, %0* %q
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%t4 = select i1 %r, %0 %t0, %0 %t1
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%t5 = extractvalue %0 %t4, 1
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ret i32 %t5
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}
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; PR2139
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define i32 @test2() nounwind {
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; CHECK-LABEL: test2:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: callq _return_false
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; CHECK-NEXT: xorl %ecx, %ecx
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; CHECK-NEXT: testb $1, %al
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; CHECK-NEXT: movw $-480, %ax ## imm = 0xFE20
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; CHECK-NEXT: cmovnew %cx, %ax
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; CHECK-NEXT: cwtl
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; CHECK-NEXT: shll $3, %eax
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; CHECK-NEXT: cmpl $32768, %eax ## imm = 0x8000
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; CHECK-NEXT: jge LBB1_1
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; CHECK-NEXT: ## BB#2: ## %bb91
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: retq
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; CHECK-NEXT: LBB1_1: ## %bb90
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entry:
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%tmp73 = tail call i1 @return_false()
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%g.0 = select i1 %tmp73, i16 0, i16 -480
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%tmp7778 = sext i16 %g.0 to i32
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%tmp80 = shl i32 %tmp7778, 3
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%tmp87 = icmp sgt i32 %tmp80, 32767
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br i1 %tmp87, label %bb90, label %bb91
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bb90:
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unreachable
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bb91:
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ret i32 0
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}
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declare i1 @return_false()
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;; Select between two floating point constants.
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define float @test3(i32 %x) nounwind readnone {
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; CHECK-LABEL: test3:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: testl %edi, %edi
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: leaq {{.*}}(%rip), %rcx
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; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; CHECK-NEXT: retq
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entry:
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%0 = icmp eq i32 %x, 0
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%iftmp.0.0 = select i1 %0, float 4.200000e+01, float 2.300000e+01
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ret float %iftmp.0.0
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}
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define signext i8 @test4(i8* nocapture %P, double %F) nounwind readonly {
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; CHECK-LABEL: test4:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: ucomisd %xmm0, %xmm1
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; CHECK-NEXT: seta %al
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; CHECK-NEXT: movsbl (%rdi,%rax,4), %eax
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; CHECK-NEXT: retq
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entry:
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%0 = fcmp olt double %F, 4.200000e+01
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%iftmp.0.0 = select i1 %0, i32 4, i32 0
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%1 = getelementptr i8, i8* %P, i32 %iftmp.0.0
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%2 = load i8, i8* %1, align 1
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ret i8 %2
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}
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define void @test5(i1 %c, <2 x i16> %a, <2 x i16> %b, <2 x i16>* %p) nounwind {
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; CHECK-LABEL: test5:
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; CHECK: ## BB#0:
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; CHECK-NEXT: testb $1, %dil
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; CHECK-NEXT: jne LBB4_2
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; CHECK-NEXT: ## BB#1:
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; CHECK-NEXT: movdqa %xmm1, %xmm0
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; CHECK-NEXT: LBB4_2:
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; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
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; CHECK-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
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; CHECK-NEXT: movd %xmm0, (%rsi)
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; CHECK-NEXT: retq
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%x = select i1 %c, <2 x i16> %a, <2 x i16> %b
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store <2 x i16> %x, <2 x i16>* %p
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ret void
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}
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; Verify that the fmul gets sunk into the one part of the diamond where it is needed.
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define void @test6(i32 %C, <4 x float>* %A, <4 x float>* %B) nounwind {
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; CHECK-LABEL: test6:
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; CHECK: ## BB#0:
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; CHECK-NEXT: testl %edi, %edi
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; CHECK-NEXT: je LBB5_1
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; CHECK-NEXT: ## BB#2:
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; CHECK-NEXT: movaps (%rsi), %xmm0
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; CHECK-NEXT: movaps %xmm0, (%rsi)
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; CHECK-NEXT: retq
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; CHECK-NEXT: LBB5_1:
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; CHECK-NEXT: movaps (%rdx), %xmm0
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; CHECK-NEXT: mulps %xmm0, %xmm0
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; CHECK-NEXT: movaps %xmm0, (%rsi)
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; CHECK-NEXT: retq
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%tmp = load <4 x float>, <4 x float>* %A
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%tmp3 = load <4 x float>, <4 x float>* %B
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%tmp9 = fmul <4 x float> %tmp3, %tmp3
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%tmp.upgrd.1 = icmp eq i32 %C, 0
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%iftmp.38.0 = select i1 %tmp.upgrd.1, <4 x float> %tmp9, <4 x float> %tmp
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store <4 x float> %iftmp.38.0, <4 x float>* %A
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ret void
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}
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; Select with fp80's
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define x86_fp80 @test7(i32 %tmp8) nounwind {
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; CHECK-LABEL: test7:
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; CHECK: ## BB#0:
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: testl %edi, %edi
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; CHECK-NEXT: setns %al
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; CHECK-NEXT: shlq $4, %rax
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; CHECK-NEXT: leaq {{.*}}(%rip), %rcx
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; CHECK-NEXT: fldt (%rax,%rcx)
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; CHECK-NEXT: retq
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%tmp9 = icmp sgt i32 %tmp8, -1
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%retval = select i1 %tmp9, x86_fp80 0xK4005B400000000000000, x86_fp80 0xK40078700000000000000
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ret x86_fp80 %retval
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}
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; widening select v6i32 and then a sub
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define void @test8(i1 %c, <6 x i32>* %dst.addr, <6 x i32> %src1,<6 x i32> %src2) nounwind {
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; GENERIC-LABEL: test8:
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; GENERIC: ## BB#0:
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; GENERIC-NEXT: andb $1, %dil
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; GENERIC-NEXT: jne LBB7_1
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; GENERIC-NEXT: ## BB#2:
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; GENERIC-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; GENERIC-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; GENERIC-NEXT: jmp LBB7_3
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; GENERIC-NEXT: LBB7_1:
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; GENERIC-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; GENERIC-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; GENERIC-NEXT: LBB7_3:
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; GENERIC-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
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; GENERIC-NEXT: testb %dil, %dil
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; GENERIC-NEXT: jne LBB7_4
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; GENERIC-NEXT: ## BB#5:
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; GENERIC-NEXT: movd {{.*#+}} xmm2 = mem[0],zero,zero,zero
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; GENERIC-NEXT: movd {{.*#+}} xmm3 = mem[0],zero,zero,zero
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; GENERIC-NEXT: movd {{.*#+}} xmm4 = mem[0],zero,zero,zero
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; GENERIC-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; GENERIC-NEXT: jmp LBB7_6
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; GENERIC-NEXT: LBB7_4:
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; GENERIC-NEXT: movd %r9d, %xmm2
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; GENERIC-NEXT: movd %ecx, %xmm3
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; GENERIC-NEXT: movd %r8d, %xmm4
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; GENERIC-NEXT: movd %edx, %xmm1
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; GENERIC-NEXT: LBB7_6:
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; GENERIC-NEXT: punpckldq {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1]
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; GENERIC-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm4[0],xmm1[1],xmm4[1]
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; GENERIC-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm3[0],xmm1[1],xmm3[1]
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; GENERIC-NEXT: psubd {{.*}}(%rip), %xmm1
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; GENERIC-NEXT: psubd {{.*}}(%rip), %xmm0
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; GENERIC-NEXT: movq %xmm0, 16(%rsi)
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; GENERIC-NEXT: movdqa %xmm1, (%rsi)
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; GENERIC-NEXT: retq
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;
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; ATOM-LABEL: test8:
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; ATOM: ## BB#0:
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; ATOM-NEXT: andb $1, %dil
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; ATOM-NEXT: jne LBB7_1
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; ATOM-NEXT: ## BB#2:
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; ATOM-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; ATOM-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; ATOM-NEXT: jmp LBB7_3
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; ATOM-NEXT: LBB7_1:
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; ATOM-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; ATOM-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; ATOM-NEXT: LBB7_3:
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; ATOM-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
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; ATOM-NEXT: testb %dil, %dil
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; ATOM-NEXT: jne LBB7_4
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; ATOM-NEXT: ## BB#5:
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; ATOM-NEXT: movd {{.*#+}} xmm2 = mem[0],zero,zero,zero
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; ATOM-NEXT: movd {{.*#+}} xmm3 = mem[0],zero,zero,zero
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; ATOM-NEXT: movd {{.*#+}} xmm4 = mem[0],zero,zero,zero
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; ATOM-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; ATOM-NEXT: jmp LBB7_6
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; ATOM-NEXT: LBB7_4:
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; ATOM-NEXT: movd %r9d, %xmm2
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; ATOM-NEXT: movd %ecx, %xmm3
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; ATOM-NEXT: movd %r8d, %xmm4
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; ATOM-NEXT: movd %edx, %xmm1
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; ATOM-NEXT: LBB7_6:
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; ATOM-NEXT: punpckldq {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1]
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; ATOM-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm4[0],xmm1[1],xmm4[1]
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; ATOM-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm3[0],xmm1[1],xmm3[1]
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; ATOM-NEXT: psubd {{.*}}(%rip), %xmm0
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; ATOM-NEXT: psubd {{.*}}(%rip), %xmm1
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; ATOM-NEXT: movq %xmm0, 16(%rsi)
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; ATOM-NEXT: movdqa %xmm1, (%rsi)
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; ATOM-NEXT: retq
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%x = select i1 %c, <6 x i32> %src1, <6 x i32> %src2
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%val = sub <6 x i32> %x, < i32 1, i32 1, i32 1, i32 1, i32 1, i32 1 >
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store <6 x i32> %val, <6 x i32>* %dst.addr
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ret void
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}
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;; Test integer select between values and constants.
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define i64 @test9(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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; GENERIC-LABEL: test9:
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; GENERIC: ## BB#0:
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; GENERIC-NEXT: cmpq $1, %rdi
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; GENERIC-NEXT: sbbq %rax, %rax
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; GENERIC-NEXT: orq %rsi, %rax
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; GENERIC-NEXT: retq
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;
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; ATOM-LABEL: test9:
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; ATOM: ## BB#0:
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; ATOM-NEXT: cmpq $1, %rdi
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; ATOM-NEXT: sbbq %rax, %rax
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; ATOM-NEXT: orq %rsi, %rax
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; ATOM-NEXT: nop
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; ATOM-NEXT: nop
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; ATOM-NEXT: retq
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%cmp = icmp ne i64 %x, 0
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%cond = select i1 %cmp, i64 %y, i64 -1
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ret i64 %cond
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}
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;; Same as test9
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define i64 @test9a(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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; GENERIC-LABEL: test9a:
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; GENERIC: ## BB#0:
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; GENERIC-NEXT: cmpq $1, %rdi
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; GENERIC-NEXT: sbbq %rax, %rax
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; GENERIC-NEXT: orq %rsi, %rax
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; GENERIC-NEXT: retq
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;
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; ATOM-LABEL: test9a:
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; ATOM: ## BB#0:
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; ATOM-NEXT: cmpq $1, %rdi
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; ATOM-NEXT: sbbq %rax, %rax
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; ATOM-NEXT: orq %rsi, %rax
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; ATOM-NEXT: nop
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; ATOM-NEXT: nop
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; ATOM-NEXT: retq
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%cmp = icmp eq i64 %x, 0
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%cond = select i1 %cmp, i64 -1, i64 %y
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ret i64 %cond
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}
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define i64 @test9b(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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; GENERIC-LABEL: test9b:
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; GENERIC: ## BB#0:
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; GENERIC-NEXT: cmpq $1, %rdi
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; GENERIC-NEXT: sbbq %rax, %rax
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; GENERIC-NEXT: orq %rsi, %rax
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; GENERIC-NEXT: retq
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;
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; ATOM-LABEL: test9b:
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; ATOM: ## BB#0:
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; ATOM-NEXT: cmpq $1, %rdi
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; ATOM-NEXT: sbbq %rax, %rax
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; ATOM-NEXT: orq %rsi, %rax
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; ATOM-NEXT: nop
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; ATOM-NEXT: nop
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; ATOM-NEXT: retq
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%cmp = icmp eq i64 %x, 0
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%A = sext i1 %cmp to i64
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%cond = or i64 %y, %A
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ret i64 %cond
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}
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;; Select between -1 and 1.
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define i64 @test10(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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; GENERIC-LABEL: test10:
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; GENERIC: ## BB#0:
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; GENERIC-NEXT: cmpq $1, %rdi
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; GENERIC-NEXT: sbbq %rax, %rax
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; GENERIC-NEXT: orq $1, %rax
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; GENERIC-NEXT: retq
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;
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; ATOM-LABEL: test10:
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; ATOM: ## BB#0:
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; ATOM-NEXT: cmpq $1, %rdi
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; ATOM-NEXT: sbbq %rax, %rax
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; ATOM-NEXT: orq $1, %rax
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; ATOM-NEXT: nop
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; ATOM-NEXT: nop
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; ATOM-NEXT: retq
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%cmp = icmp eq i64 %x, 0
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%cond = select i1 %cmp, i64 -1, i64 1
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ret i64 %cond
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}
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define i64 @test11(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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; CHECK-LABEL: test11:
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; CHECK: ## BB#0:
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; CHECK-NEXT: cmpq $1, %rdi
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; CHECK-NEXT: sbbq %rax, %rax
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; CHECK-NEXT: notq %rax
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; CHECK-NEXT: orq %rsi, %rax
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; CHECK-NEXT: retq
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%cmp = icmp eq i64 %x, 0
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%cond = select i1 %cmp, i64 %y, i64 -1
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ret i64 %cond
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}
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define i64 @test11a(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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; CHECK-LABEL: test11a:
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; CHECK: ## BB#0:
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; CHECK-NEXT: cmpq $1, %rdi
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; CHECK-NEXT: sbbq %rax, %rax
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; CHECK-NEXT: notq %rax
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; CHECK-NEXT: orq %rsi, %rax
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; CHECK-NEXT: retq
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%cmp = icmp ne i64 %x, 0
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%cond = select i1 %cmp, i64 -1, i64 %y
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ret i64 %cond
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}
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declare noalias i8* @_Znam(i64) noredzone
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define noalias i8* @test12(i64 %count) nounwind ssp noredzone {
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; GENERIC-LABEL: test12:
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; GENERIC: ## BB#0: ## %entry
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; GENERIC-NEXT: movl $4, %ecx
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; GENERIC-NEXT: movq %rdi, %rax
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; GENERIC-NEXT: mulq %rcx
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; GENERIC-NEXT: movq $-1, %rdi
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; GENERIC-NEXT: cmovnoq %rax, %rdi
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; GENERIC-NEXT: jmp __Znam ## TAILCALL
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;
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; ATOM-LABEL: test12:
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; ATOM: ## BB#0: ## %entry
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; ATOM-NEXT: movq %rdi, %rax
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; ATOM-NEXT: movl $4, %ecx
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; ATOM-NEXT: mulq %rcx
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; ATOM-NEXT: movq $-1, %rdi
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; ATOM-NEXT: cmovnoq %rax, %rdi
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; ATOM-NEXT: jmp __Znam ## TAILCALL
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entry:
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%A = tail call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %count, i64 4)
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%B = extractvalue { i64, i1 } %A, 1
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%C = extractvalue { i64, i1 } %A, 0
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%D = select i1 %B, i64 -1, i64 %C
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%call = tail call noalias i8* @_Znam(i64 %D) nounwind noredzone
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ret i8* %call
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}
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declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone
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define i32 @test13(i32 %a, i32 %b) nounwind {
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; GENERIC-LABEL: test13:
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; GENERIC: ## BB#0:
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; GENERIC-NEXT: cmpl %esi, %edi
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; GENERIC-NEXT: sbbl %eax, %eax
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; GENERIC-NEXT: retq
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;
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; ATOM-LABEL: test13:
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; ATOM: ## BB#0:
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; ATOM-NEXT: cmpl %esi, %edi
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; ATOM-NEXT: sbbl %eax, %eax
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; ATOM-NEXT: nop
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; ATOM-NEXT: nop
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; ATOM-NEXT: nop
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; ATOM-NEXT: nop
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; ATOM-NEXT: retq
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|
%c = icmp ult i32 %a, %b
|
|
%d = sext i1 %c to i32
|
|
ret i32 %d
|
|
}
|
|
|
|
define i32 @test14(i32 %a, i32 %b) nounwind {
|
|
; GENERIC-LABEL: test14:
|
|
; GENERIC: ## BB#0:
|
|
; GENERIC-NEXT: cmpl %esi, %edi
|
|
; GENERIC-NEXT: sbbl %eax, %eax
|
|
; GENERIC-NEXT: notl %eax
|
|
; GENERIC-NEXT: retq
|
|
;
|
|
; ATOM-LABEL: test14:
|
|
; ATOM: ## BB#0:
|
|
; ATOM-NEXT: cmpl %esi, %edi
|
|
; ATOM-NEXT: sbbl %eax, %eax
|
|
; ATOM-NEXT: notl %eax
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: retq
|
|
%c = icmp uge i32 %a, %b
|
|
%d = sext i1 %c to i32
|
|
ret i32 %d
|
|
}
|
|
|
|
; rdar://10961709
|
|
define i32 @test15(i32 %x) nounwind {
|
|
; GENERIC-LABEL: test15:
|
|
; GENERIC: ## BB#0: ## %entry
|
|
; GENERIC-NEXT: negl %edi
|
|
; GENERIC-NEXT: sbbl %eax, %eax
|
|
; GENERIC-NEXT: retq
|
|
;
|
|
; ATOM-LABEL: test15:
|
|
; ATOM: ## BB#0: ## %entry
|
|
; ATOM-NEXT: negl %edi
|
|
; ATOM-NEXT: sbbl %eax, %eax
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: retq
|
|
entry:
|
|
%cmp = icmp ne i32 %x, 0
|
|
%sub = sext i1 %cmp to i32
|
|
ret i32 %sub
|
|
}
|
|
|
|
define i64 @test16(i64 %x) nounwind uwtable readnone ssp {
|
|
; GENERIC-LABEL: test16:
|
|
; GENERIC: ## BB#0: ## %entry
|
|
; GENERIC-NEXT: negq %rdi
|
|
; GENERIC-NEXT: sbbq %rax, %rax
|
|
; GENERIC-NEXT: retq
|
|
;
|
|
; ATOM-LABEL: test16:
|
|
; ATOM: ## BB#0: ## %entry
|
|
; ATOM-NEXT: negq %rdi
|
|
; ATOM-NEXT: sbbq %rax, %rax
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: retq
|
|
entry:
|
|
%cmp = icmp ne i64 %x, 0
|
|
%conv1 = sext i1 %cmp to i64
|
|
ret i64 %conv1
|
|
}
|
|
|
|
define i16 @test17(i16 %x) nounwind {
|
|
; GENERIC-LABEL: test17:
|
|
; GENERIC: ## BB#0: ## %entry
|
|
; GENERIC-NEXT: negw %di
|
|
; GENERIC-NEXT: sbbw %ax, %ax
|
|
; GENERIC-NEXT: retq
|
|
;
|
|
; ATOM-LABEL: test17:
|
|
; ATOM: ## BB#0: ## %entry
|
|
; ATOM-NEXT: negw %di
|
|
; ATOM-NEXT: sbbw %ax, %ax
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: retq
|
|
entry:
|
|
%cmp = icmp ne i16 %x, 0
|
|
%sub = sext i1 %cmp to i16
|
|
ret i16 %sub
|
|
}
|
|
|
|
define i8 @test18(i32 %x, i8 zeroext %a, i8 zeroext %b) nounwind {
|
|
; GENERIC-LABEL: test18:
|
|
; GENERIC: ## BB#0:
|
|
; GENERIC-NEXT: cmpl $15, %edi
|
|
; GENERIC-NEXT: cmovgel %edx, %esi
|
|
; GENERIC-NEXT: movl %esi, %eax
|
|
; GENERIC-NEXT: retq
|
|
;
|
|
; ATOM-LABEL: test18:
|
|
; ATOM: ## BB#0:
|
|
; ATOM-NEXT: cmpl $15, %edi
|
|
; ATOM-NEXT: cmovgel %edx, %esi
|
|
; ATOM-NEXT: movl %esi, %eax
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: nop
|
|
; ATOM-NEXT: retq
|
|
%cmp = icmp slt i32 %x, 15
|
|
%sel = select i1 %cmp, i8 %a, i8 %b
|
|
ret i8 %sel
|
|
}
|
|
|
|
define i32 @trunc_select_miscompile(i32 %a, i1 zeroext %cc) {
|
|
; CHECK-LABEL: trunc_select_miscompile:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: orb $2, %sil
|
|
; CHECK-NEXT: movl %esi, %ecx
|
|
; CHECK-NEXT: shll %cl, %edi
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: retq
|
|
%tmp1 = select i1 %cc, i32 3, i32 2
|
|
%tmp2 = shl i32 %a, %tmp1
|
|
ret i32 %tmp2
|
|
}
|
|
|
|
define void @test19() {
|
|
; This is a massive reduction of an llvm-stress test case that generates
|
|
; interesting chains feeding setcc and eventually a f32 select operation. This
|
|
; is intended to exercise the SELECT formation in the DAG combine simplifying
|
|
; a simplified select_cc node. If it it regresses and is no longer triggering
|
|
; that code path, it can be deleted.
|
|
;
|
|
; CHECK-LABEL: test19:
|
|
; CHECK: ## BB#0: ## %BB
|
|
; CHECK-NEXT: movl $-1, %eax
|
|
; CHECK-NEXT: movb $1, %cl
|
|
; CHECK-NEXT: .p2align 4, 0x90
|
|
; CHECK-NEXT: LBB22_1: ## %CF
|
|
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
|
|
; CHECK-NEXT: testb %cl, %cl
|
|
; CHECK-NEXT: jne LBB22_1
|
|
; CHECK-NEXT: ## BB#2: ## %CF250
|
|
; CHECK-NEXT: ## in Loop: Header=BB22_1 Depth=1
|
|
; CHECK-NEXT: jne LBB22_1
|
|
; CHECK-NEXT: .p2align 4, 0x90
|
|
; CHECK-NEXT: LBB22_3: ## %CF242
|
|
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
|
|
; CHECK-NEXT: cmpl %eax, %eax
|
|
; CHECK-NEXT: ucomiss %xmm0, %xmm0
|
|
; CHECK-NEXT: jp LBB22_3
|
|
; CHECK-NEXT: ## BB#4: ## %CF244
|
|
; CHECK-NEXT: retq
|
|
BB:
|
|
br label %CF
|
|
|
|
CF:
|
|
%Cmp10 = icmp ule i8 undef, undef
|
|
br i1 %Cmp10, label %CF, label %CF250
|
|
|
|
CF250:
|
|
%E12 = extractelement <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, i32 2
|
|
%Cmp32 = icmp ugt i1 %Cmp10, false
|
|
br i1 %Cmp32, label %CF, label %CF242
|
|
|
|
CF242:
|
|
%Cmp38 = icmp uge i32 %E12, undef
|
|
%FC = uitofp i1 %Cmp38 to float
|
|
%Sl59 = select i1 %Cmp32, float %FC, float undef
|
|
%Cmp60 = fcmp ugt float undef, undef
|
|
br i1 %Cmp60, label %CF242, label %CF244
|
|
|
|
CF244:
|
|
%B122 = fadd float %Sl59, undef
|
|
ret void
|
|
}
|