diff options
Diffstat (limited to 'test/CodeGen/X86/cmovcmov.ll')
| -rw-r--r-- | test/CodeGen/X86/cmovcmov.ll | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/test/CodeGen/X86/cmovcmov.ll b/test/CodeGen/X86/cmovcmov.ll deleted file mode 100644 index 5b984d27249b..000000000000 --- a/test/CodeGen/X86/cmovcmov.ll +++ /dev/null @@ -1,282 +0,0 @@ -; RUN: llc < %s -asm-verbose=false -mtriple=x86_64-unknown-linux | FileCheck %s --check-prefix=CHECK --check-prefix=CMOV -; RUN: llc < %s -asm-verbose=false -mtriple=i686-unknown-linux | FileCheck %s --check-prefix=CHECK --check-prefix=NOCMOV - -target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" - -; Test 2xCMOV patterns exposed after legalization. -; One way to do that is with (select (fcmp une/oeq)), which gets -; legalized to setp/setne. - -; CHECK-LABEL: test_select_fcmp_oeq_i32: - -; CMOV-NEXT: ucomiss %xmm1, %xmm0 -; CMOV-NEXT: cmovnel %esi, %edi -; CMOV-NEXT: cmovpl %esi, %edi -; CMOV-NEXT: movl %edi, %eax -; CMOV-NEXT: retq - -; NOCMOV-NEXT: flds 8(%esp) -; NOCMOV-NEXT: flds 4(%esp) -; NOCMOV-NEXT: fucompp -; NOCMOV-NEXT: fnstsw %ax -; NOCMOV-NEXT: sahf -; NOCMOV-NEXT: leal 16(%esp), %eax -; NOCMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; NOCMOV-NEXT: jp [[TBB]] -; NOCMOV-NEXT: leal 12(%esp), %eax -; NOCMOV-NEXT:[[TBB]]: -; NOCMOV-NEXT: movl (%eax), %eax -; NOCMOV-NEXT: retl -define i32 @test_select_fcmp_oeq_i32(float %a, float %b, i32 %c, i32 %d) #0 { -entry: - %cmp = fcmp oeq float %a, %b - %r = select i1 %cmp, i32 %c, i32 %d - ret i32 %r -} - -; CHECK-LABEL: test_select_fcmp_oeq_i64: - -; CMOV-NEXT: ucomiss %xmm1, %xmm0 -; CMOV-NEXT: cmovneq %rsi, %rdi -; CMOV-NEXT: cmovpq %rsi, %rdi -; CMOV-NEXT: movq %rdi, %rax -; CMOV-NEXT: retq - -; NOCMOV-NEXT: flds 8(%esp) -; NOCMOV-NEXT: flds 4(%esp) -; NOCMOV-NEXT: fucompp -; NOCMOV-NEXT: fnstsw %ax -; NOCMOV-NEXT: sahf -; NOCMOV-NEXT: leal 20(%esp), %ecx -; NOCMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; NOCMOV-NEXT: jp [[TBB]] -; NOCMOV-NEXT: leal 12(%esp), %ecx -; NOCMOV-NEXT: [[TBB]]: -; NOCMOV-NEXT: movl (%ecx), %eax -; NOCMOV-NEXT: orl $4, %ecx -; NOCMOV-NEXT: movl (%ecx), %edx -; NOCMOV-NEXT: retl -define i64 @test_select_fcmp_oeq_i64(float %a, float %b, i64 %c, i64 %d) #0 { -entry: - %cmp = fcmp oeq float %a, %b - %r = select i1 %cmp, i64 %c, i64 %d - ret i64 %r -} - -; CHECK-LABEL: test_select_fcmp_une_i64: - -; CMOV-NEXT: ucomiss %xmm1, %xmm0 -; CMOV-NEXT: cmovneq %rdi, %rsi -; CMOV-NEXT: cmovpq %rdi, %rsi -; CMOV-NEXT: movq %rsi, %rax -; CMOV-NEXT: retq - -; NOCMOV-NEXT: flds 8(%esp) -; NOCMOV-NEXT: flds 4(%esp) -; NOCMOV-NEXT: fucompp -; NOCMOV-NEXT: fnstsw %ax -; NOCMOV-NEXT: sahf -; NOCMOV-NEXT: leal 12(%esp), %ecx -; NOCMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; NOCMOV-NEXT: jp [[TBB]] -; NOCMOV-NEXT: leal 20(%esp), %ecx -; NOCMOV-NEXT: [[TBB]]: -; NOCMOV-NEXT: movl (%ecx), %eax -; NOCMOV-NEXT: orl $4, %ecx -; NOCMOV-NEXT: movl (%ecx), %edx -; NOCMOV-NEXT: retl -define i64 @test_select_fcmp_une_i64(float %a, float %b, i64 %c, i64 %d) #0 { -entry: - %cmp = fcmp une float %a, %b - %r = select i1 %cmp, i64 %c, i64 %d - ret i64 %r -} - -; CHECK-LABEL: test_select_fcmp_oeq_f64: - -; CMOV-NEXT: ucomiss %xmm1, %xmm0 -; CMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; CMOV-NEXT: jp [[TBB]] -; CMOV-NEXT: movaps %xmm2, %xmm3 -; CMOV-NEXT: [[TBB]]: -; CMOV-NEXT: movaps %xmm3, %xmm0 -; CMOV-NEXT: retq - -; NOCMOV-NEXT: flds 8(%esp) -; NOCMOV-NEXT: flds 4(%esp) -; NOCMOV-NEXT: fucompp -; NOCMOV-NEXT: fnstsw %ax -; NOCMOV-NEXT: sahf -; NOCMOV-NEXT: leal 20(%esp), %eax -; NOCMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; NOCMOV-NEXT: jp [[TBB]] -; NOCMOV-NEXT: leal 12(%esp), %eax -; NOCMOV-NEXT: [[TBB]]: -; NOCMOV-NEXT: fldl (%eax) -; NOCMOV-NEXT: retl -define double @test_select_fcmp_oeq_f64(float %a, float %b, double %c, double %d) #0 { -entry: - %cmp = fcmp oeq float %a, %b - %r = select i1 %cmp, double %c, double %d - ret double %r -} - -; CHECK-LABEL: test_select_fcmp_oeq_v4i32: - -; CMOV-NEXT: ucomiss %xmm1, %xmm0 -; CMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; CMOV-NEXT: jp [[TBB]] -; CMOV-NEXT: movaps %xmm2, %xmm3 -; CMOV-NEXT: [[TBB]]: -; CMOV-NEXT: movaps %xmm3, %xmm0 -; CMOV-NEXT: retq - -; NOCMOV-NEXT: pushl %edi -; NOCMOV-NEXT: pushl %esi -; NOCMOV-NEXT: flds 20(%esp) -; NOCMOV-NEXT: flds 16(%esp) -; NOCMOV-NEXT: fucompp -; NOCMOV-NEXT: fnstsw %ax -; NOCMOV-NEXT: sahf -; NOCMOV-NEXT: leal 40(%esp), %eax -; NOCMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; NOCMOV-NEXT: jp [[TBB]] -; NOCMOV-NEXT: leal 24(%esp), %eax -; NOCMOV-NEXT: [[TBB]]: -; NOCMOV-NEXT: movl (%eax), %ecx -; NOCMOV-NEXT: leal 44(%esp), %edx -; NOCMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; NOCMOV-NEXT: jp [[TBB]] -; NOCMOV-NEXT: leal 28(%esp), %edx -; NOCMOV-NEXT: [[TBB]]: -; NOCMOV-NEXT: movl 12(%esp), %eax -; NOCMOV-NEXT: movl (%edx), %edx -; NOCMOV-NEXT: leal 48(%esp), %esi -; NOCMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; NOCMOV-NEXT: jp [[TBB]] -; NOCMOV-NEXT: leal 32(%esp), %esi -; NOCMOV-NEXT: [[TBB]]: -; NOCMOV-NEXT: movl (%esi), %esi -; NOCMOV-NEXT: leal 52(%esp), %edi -; NOCMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; NOCMOV-NEXT: jp [[TBB]] -; NOCMOV-NEXT: leal 36(%esp), %edi -; NOCMOV-NEXT: [[TBB]]: -; NOCMOV-NEXT: movl (%edi), %edi -; NOCMOV-NEXT: movl %edi, 12(%eax) -; NOCMOV-NEXT: movl %esi, 8(%eax) -; NOCMOV-NEXT: movl %edx, 4(%eax) -; NOCMOV-NEXT: movl %ecx, (%eax) -; NOCMOV-NEXT: popl %esi -; NOCMOV-NEXT: popl %edi -; NOCMOV-NEXT: retl $4 -define <4 x i32> @test_select_fcmp_oeq_v4i32(float %a, float %b, <4 x i32> %c, <4 x i32> %d) #0 { -entry: - %cmp = fcmp oeq float %a, %b - %r = select i1 %cmp, <4 x i32> %c, <4 x i32> %d - ret <4 x i32> %r -} - -; Also make sure we catch the original code-sequence of interest: - -; CMOV: [[ONE_F32_LCPI:.LCPI.*]]: -; CMOV-NEXT: .long 1065353216 - -; CHECK-LABEL: test_zext_fcmp_une: -; CMOV-NEXT: ucomiss %xmm1, %xmm0 -; CMOV-NEXT: movss [[ONE_F32_LCPI]](%rip), %xmm0 -; CMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; CMOV-NEXT: jp [[TBB]] -; CMOV-NEXT: xorps %xmm0, %xmm0 -; CMOV-NEXT: [[TBB]]: -; CMOV-NEXT: retq - -; NOCMOV: jne -; NOCMOV-NEXT: jp -define float @test_zext_fcmp_une(float %a, float %b) #0 { -entry: - %cmp = fcmp une float %a, %b - %conv1 = zext i1 %cmp to i32 - %conv2 = sitofp i32 %conv1 to float - ret float %conv2 -} - -; CMOV: [[ONE_F32_LCPI:.LCPI.*]]: -; CMOV-NEXT: .long 1065353216 - -; CHECK-LABEL: test_zext_fcmp_oeq: -; CMOV-NEXT: ucomiss %xmm1, %xmm0 -; CMOV-NEXT: xorps %xmm0, %xmm0 -; CMOV-NEXT: jne [[TBB:.LBB[0-9_]+]] -; CMOV-NEXT: jp [[TBB]] -; CMOV-NEXT: movss [[ONE_F32_LCPI]](%rip), %xmm0 -; CMOV-NEXT: [[TBB]]: -; CMOV-NEXT: retq - -; NOCMOV: jne -; NOCMOV-NEXT: jp -define float @test_zext_fcmp_oeq(float %a, float %b) #0 { -entry: - %cmp = fcmp oeq float %a, %b - %conv1 = zext i1 %cmp to i32 - %conv2 = sitofp i32 %conv1 to float - ret float %conv2 -} - -attributes #0 = { nounwind } - -@g8 = global i8 0 - -; The following test failed because llvm had a bug where a structure like: -; -; %vreg12<def> = CMOV_GR8 %vreg7, %vreg11 ... (lt) -; %vreg13<def> = CMOV_GR8 %vreg12, %vreg11 ... (gt) -; -; was lowered to: -; -; The first two cmovs got expanded to: -; BB#0: -; JL_1 BB#9 -; BB#7: -; JG_1 BB#9 -; BB#8: -; BB#9: -; vreg12 = phi(vreg7, BB#8, vreg11, BB#0, vreg12, BB#7) -; vreg13 = COPY vreg12 -; Which was invalid as %vreg12 is not the same value as %vreg13 - -; CHECK-LABEL: no_cascade_opt: -; CMOV-DAG: cmpl %edx, %esi -; CMOV-DAG: movb $20, %al -; CMOV-DAG: movb $20, %dl -; CMOV: jge [[BB2:.LBB[0-9_]+]] -; CMOV: jle [[BB3:.LBB[0-9_]+]] -; CMOV: [[BB0:.LBB[0-9_]+]] -; CMOV: testl %edi, %edi -; CMOV: jne [[BB4:.LBB[0-9_]+]] -; CMOV: [[BB1:.LBB[0-9_]+]] -; CMOV: movb %al, g8(%rip) -; CMOV: retq -; CMOV: [[BB2]]: -; CMOV: movl %ecx, %edx -; CMOV: jg [[BB0]] -; CMOV: [[BB3]]: -; CMOV: movl %edx, %eax -; CMOV: testl %edi, %edi -; CMOV: je [[BB1]] -; CMOV: [[BB4]]: -; CMOV: movl %edx, %eax -; CMOV: movb %al, g8(%rip) -; CMOV: retq -define void @no_cascade_opt(i32 %v0, i32 %v1, i32 %v2, i32 %v3) { -entry: - %c0 = icmp eq i32 %v0, 0 - %c1 = icmp slt i32 %v1, %v2 - %c2 = icmp sgt i32 %v1, %v2 - %trunc = trunc i32 %v3 to i8 - %sel0 = select i1 %c1, i8 20, i8 %trunc - %sel1 = select i1 %c2, i8 20, i8 %sel0 - %sel2 = select i1 %c0, i8 %sel1, i8 %sel0 - store volatile i8 %sel2, i8* @g8 - ret void -} |
