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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Thumb/cmp-and-fold.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

209 lines
4.6 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv6-eabi %s -o - | FileCheck %s
define void @test1(i32 %x, ptr %f) {
; CHECK-LABEL: test1:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: lsls r0, r0, #2
; CHECK-NEXT: cmp r0, #68
; CHECK-NEXT: beq .LBB0_2
; CHECK-NEXT: @ %bb.1: @ %if.then
; CHECK-NEXT: blx r1
; CHECK-NEXT: .LBB0_2: @ %if.end
; CHECK-NEXT: pop {r7, pc}
entry:
%a = and i32 %x, 1073741823
%cmp = icmp eq i32 %a, 17
br i1 %cmp, label %if.end, label %if.then
if.then:
tail call void %f()
br label %if.end
if.end:
ret void
}
define void @test2(i32 %x, ptr %f) {
; CHECK-LABEL: test2:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: lsls r0, r0, #8
; CHECK-NEXT: bhi .LBB1_2
; CHECK-NEXT: @ %bb.1: @ %if.then
; CHECK-NEXT: blx r1
; CHECK-NEXT: .LBB1_2: @ %if.end
; CHECK-NEXT: pop {r7, pc}
entry:
%a = shl i32 %x, 7
%cmp = icmp ugt i32 %a, 2147483648
br i1 %cmp, label %if.end, label %if.then
if.then:
tail call void %f()
br label %if.end
if.end:
ret void
}
define void @test3(i32 %x, ptr %f) {
; CHECK-LABEL: test3:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: lsls r0, r0, #3
; CHECK-NEXT: bhi .LBB2_2
; CHECK-NEXT: @ %bb.1: @ %if.then
; CHECK-NEXT: blx r1
; CHECK-NEXT: .LBB2_2: @ %if.end
; CHECK-NEXT: pop {r7, pc}
entry:
%a = and i32 %x, 1073741823
%cmp = icmp ugt i32 %a, 536870912
br i1 %cmp, label %if.end, label %if.then
if.then:
tail call void %f()
br label %if.end
if.end:
ret void
}
define void @test4(i32 %x, ptr %f) {
; CHECK-LABEL: test4:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: uxtb r0, r0
; CHECK-NEXT: cmp r0, #17
; CHECK-NEXT: beq .LBB3_2
; CHECK-NEXT: @ %bb.1: @ %if.then
; CHECK-NEXT: blx r1
; CHECK-NEXT: .LBB3_2: @ %if.end
; CHECK-NEXT: pop {r7, pc}
entry:
%a = and i32 %x, 255
%cmp = icmp eq i32 %a, 17
br i1 %cmp, label %if.end, label %if.then
if.then:
tail call void %f()
br label %if.end
if.end:
ret void
}
define void @test5(i32 %x, ptr %f) {
; CHECK-LABEL: test5:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: uxth r0, r0
; CHECK-NEXT: cmp r0, #17
; CHECK-NEXT: beq .LBB4_2
; CHECK-NEXT: @ %bb.1: @ %if.then
; CHECK-NEXT: blx r1
; CHECK-NEXT: .LBB4_2: @ %if.end
; CHECK-NEXT: pop {r7, pc}
entry:
%a = and i32 %x, 65535
%cmp = icmp eq i32 %a, 17
br i1 %cmp, label %if.end, label %if.then
if.then:
tail call void %f()
br label %if.end
if.end:
ret void
}
define void @test6(i32 %x, ptr %f) {
; CHECK-LABEL: test6:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: movs r2, #32
; CHECK-NEXT: ands r2, r0
; CHECK-NEXT: cmp r2, #17
; CHECK-NEXT: beq .LBB5_2
; CHECK-NEXT: @ %bb.1: @ %if.then
; CHECK-NEXT: blx r1
; CHECK-NEXT: .LBB5_2: @ %if.end
; CHECK-NEXT: pop {r7, pc}
entry:
%a = and i32 %x, 32
%cmp = icmp eq i32 %a, 17
br i1 %cmp, label %if.end, label %if.then
if.then:
tail call void %f()
br label %if.end
if.end:
ret void
}
define void @test7(i32 %x, ptr %f) {
; CHECK-LABEL: test7:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: ldr r2, .LCPI6_0
; CHECK-NEXT: ands r2, r0
; CHECK-NEXT: cmp r2, #17
; CHECK-NEXT: beq .LBB6_2
; CHECK-NEXT: @ %bb.1: @ %if.then
; CHECK-NEXT: blx r1
; CHECK-NEXT: .LBB6_2: @ %if.end
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: @ %bb.3:
; CHECK-NEXT: .LCPI6_0:
; CHECK-NEXT: .long 1023 @ 0x3ff
entry:
%a = and i32 %x, 1023
%cmp = icmp eq i32 %a, 17
br i1 %cmp, label %if.end, label %if.then
if.then:
tail call void %f()
br label %if.end
if.end:
ret void
}
define void @test8(i32 %x, ptr %f) {
; CHECK-LABEL: test8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: movs r2, #129
; CHECK-NEXT: lsls r2, r2, #23
; CHECK-NEXT: lsls r0, r0, #22
; CHECK-NEXT: cmp r0, r2
; CHECK-NEXT: beq .LBB7_2
; CHECK-NEXT: @ %bb.1: @ %if.then
; CHECK-NEXT: blx r1
; CHECK-NEXT: .LBB7_2: @ %if.end
; CHECK-NEXT: pop {r7, pc}
entry:
%a = and i32 %x, 1023
%cmp = icmp eq i32 %a, 258
br i1 %cmp, label %if.end, label %if.then
if.then:
tail call void %f()
br label %if.end
if.end:
ret void
}