forked from OSchip/llvm-project
515 lines
12 KiB
LLVM
515 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
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define void @test64(i64 inreg %x) {
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; CHECK-LABEL: test64:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: testl $2048, %edi # imm = 0x800
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; CHECK-NEXT: jne .LBB0_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB0_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i64 %x, 2048
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%s = icmp eq i64 %t, 0
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br i1 %s, label %yes, label %no
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test64_optsize(i64 inreg %x) optsize {
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; CHECK-LABEL: test64_optsize:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: btl $11, %edi
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; CHECK-NEXT: jb .LBB1_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB1_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i64 %x, 2048
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%s = icmp eq i64 %t, 0
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br i1 %s, label %yes, label %no
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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; This test is identical to test64 above with only the destination of the br
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; reversed. This somehow causes the two functions to get slightly different
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; initial IR. One has an extra invert of the setcc. This previous caused one
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; the functions to use a BT while the other used a TEST due to another DAG
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; combine messing with an expected canonical form.
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define void @test64_2(i64 inreg %x) {
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; CHECK-LABEL: test64_2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: testl $2048, %edi # imm = 0x800
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; CHECK-NEXT: je .LBB2_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB2_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i64 %x, 2048
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%s = icmp eq i64 %t, 0
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br i1 %s, label %no, label %yes
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test64_optsize_2(i64 inreg %x) optsize {
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; CHECK-LABEL: test64_optsize_2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: btl $11, %edi
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; CHECK-NEXT: jae .LBB3_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB3_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i64 %x, 2048
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%s = icmp eq i64 %t, 0
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br i1 %s, label %no, label %yes
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test64_3(i64 inreg %x) {
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; CHECK-LABEL: test64_3:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: btq $32, %rdi
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; CHECK-NEXT: jb .LBB4_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB4_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i64 %x, 4294967296
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%s = icmp eq i64 %t, 0
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br i1 %s, label %yes, label %no
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test64_optsize_3(i64 inreg %x) optsize {
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; CHECK-LABEL: test64_optsize_3:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: btq $32, %rdi
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; CHECK-NEXT: jb .LBB5_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB5_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i64 %x, 4294967296
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%s = icmp eq i64 %t, 0
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br i1 %s, label %yes, label %no
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test64_4(i64 inreg %x) {
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; CHECK-LABEL: test64_4:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: btq $32, %rdi
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; CHECK-NEXT: jae .LBB6_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB6_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i64 %x, 4294967296
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%s = icmp eq i64 %t, 0
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br i1 %s, label %no, label %yes
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test64_optsize_4(i64 inreg %x) optsize {
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; CHECK-LABEL: test64_optsize_4:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: btq $32, %rdi
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; CHECK-NEXT: jae .LBB7_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB7_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i64 %x, 4294967296
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%s = icmp eq i64 %t, 0
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br i1 %s, label %no, label %yes
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test32(i32 inreg %x) {
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; CHECK-LABEL: test32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: testl $2048, %edi # imm = 0x800
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; CHECK-NEXT: jne .LBB8_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB8_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i32 %x, 2048
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%s = icmp eq i32 %t, 0
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br i1 %s, label %yes, label %no
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test32_optsize(i32 inreg %x) optsize {
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; CHECK-LABEL: test32_optsize:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: btl $11, %edi
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; CHECK-NEXT: jb .LBB9_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB9_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i32 %x, 2048
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%s = icmp eq i32 %t, 0
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br i1 %s, label %yes, label %no
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test32_2(i32 inreg %x) {
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; CHECK-LABEL: test32_2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: testl $2048, %edi # imm = 0x800
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; CHECK-NEXT: je .LBB10_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB10_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i32 %x, 2048
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%s = icmp eq i32 %t, 0
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br i1 %s, label %no, label %yes
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test32_optsize_2(i32 inreg %x) optsize {
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; CHECK-LABEL: test32_optsize_2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: btl $11, %edi
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; CHECK-NEXT: jae .LBB11_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB11_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i32 %x, 2048
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%s = icmp eq i32 %t, 0
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br i1 %s, label %no, label %yes
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test16(i16 inreg %x) {
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; CHECK-LABEL: test16:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: testl $2048, %edi # imm = 0x800
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; CHECK-NEXT: jne .LBB12_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB12_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i16 %x, 2048
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%s = icmp eq i16 %t, 0
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br i1 %s, label %yes, label %no
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test16_optsize(i16 inreg %x) optsize {
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; CHECK-LABEL: test16_optsize:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: btl $11, %edi
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; CHECK-NEXT: jb .LBB13_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB13_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i16 %x, 2048
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%s = icmp eq i16 %t, 0
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br i1 %s, label %yes, label %no
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test16_2(i16 inreg %x) {
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; CHECK-LABEL: test16_2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: testl $2048, %edi # imm = 0x800
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; CHECK-NEXT: je .LBB14_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB14_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i16 %x, 2048
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%s = icmp eq i16 %t, 0
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br i1 %s, label %no, label %yes
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define void @test16_optsize_2(i16 inreg %x) optsize {
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; CHECK-LABEL: test16_optsize_2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: btl $11, %edi
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; CHECK-NEXT: jae .LBB15_2
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; CHECK-NEXT: # %bb.1: # %yes
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB15_2: # %no
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%t = and i16 %x, 2048
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%s = icmp eq i16 %t, 0
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br i1 %s, label %no, label %yes
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yes:
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call void @bar()
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ret void
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no:
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ret void
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}
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define i64 @is_upper_bit_clear_i64(i64 %x) {
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; CHECK-LABEL: is_upper_bit_clear_i64:
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; CHECK: # %bb.0:
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: btq $37, %rdi
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; CHECK-NEXT: setae %al
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; CHECK-NEXT: retq
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%sh = lshr i64 %x, 37
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%m = and i64 %sh, 1
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%r = xor i64 %m, 1
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ret i64 %r
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}
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define i64 @is_lower_bit_clear_i64(i64 %x) {
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; CHECK-LABEL: is_lower_bit_clear_i64:
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; CHECK: # %bb.0:
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: testl $134217728, %edi # imm = 0x8000000
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%sh = lshr i64 %x, 27
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%m = and i64 %sh, 1
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%r = xor i64 %m, 1
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ret i64 %r
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}
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define i32 @is_bit_clear_i32(i32 %x) {
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; CHECK-LABEL: is_bit_clear_i32:
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; CHECK: # %bb.0:
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: testl $134217728, %edi # imm = 0x8000000
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%sh = lshr i32 %x, 27
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%n = xor i32 %sh, -1
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%r = and i32 %n, 1
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ret i32 %r
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}
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define i16 @is_bit_clear_i16(i16 %x) {
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; CHECK-LABEL: is_bit_clear_i16:
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; CHECK: # %bb.0:
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: testb $-128, %dil
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
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; CHECK-NEXT: retq
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%sh = lshr i16 %x, 7
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%m = and i16 %sh, 1
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%r = xor i16 %m, 1
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ret i16 %r
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}
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define i8 @is_bit_clear_i8(i8 %x) {
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; CHECK-LABEL: is_bit_clear_i8:
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; CHECK: # %bb.0:
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; CHECK-NEXT: testb $8, %dil
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%sh = lshr i8 %x, 3
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%m = and i8 %sh, 1
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%r = xor i8 %m, 1
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ret i8 %r
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}
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; TODO: We could use bt/test on the 64-bit value.
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define i8 @overshift(i64 %x) {
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; CHECK-LABEL: overshift:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movq %rdi, %rax
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; CHECK-NEXT: shrq $42, %rax
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; CHECK-NEXT: notb %al
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; CHECK-NEXT: andb $1, %al
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; CHECK-NEXT: # kill: def $al killed $al killed $rax
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; CHECK-NEXT: retq
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%a = lshr i64 %x, 42
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%t = trunc i64 %a to i8
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%n = xor i8 %t, -1
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%r = and i8 %n, 1
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ret i8 %r
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}
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define i32 @setcc_is_bit_clear(i32 %x) {
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; CHECK-LABEL: setcc_is_bit_clear:
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; CHECK: # %bb.0:
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: testl $1024, %edi # imm = 0x400
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; CHECK-NEXT: sete %al
|
|
; CHECK-NEXT: retq
|
|
%a1 = and i32 %x, 1024
|
|
%b1 = icmp eq i32 %a1, 0
|
|
%r = zext i1 %b1 to i32
|
|
ret i32 %r
|
|
}
|
|
|
|
define i32 @is_bit_set(i32 %x) {
|
|
; CHECK-LABEL: is_bit_set:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: shrl $10, %eax
|
|
; CHECK-NEXT: andl $1, %eax
|
|
; CHECK-NEXT: retq
|
|
%sh = lshr i32 %x, 10
|
|
%m = and i32 %sh, 1
|
|
ret i32 %m
|
|
}
|
|
|
|
define i32 @setcc_is_bit_set(i32 %x) {
|
|
; CHECK-LABEL: setcc_is_bit_set:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: shrl $10, %eax
|
|
; CHECK-NEXT: andl $1, %eax
|
|
; CHECK-NEXT: retq
|
|
%a1 = and i32 %x, 1024
|
|
%b1 = icmp ne i32 %a1, 0
|
|
%r = zext i1 %b1 to i32
|
|
ret i32 %r
|
|
}
|
|
|
|
declare void @bar()
|