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ab043ff680
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
llvm-svn: 230794
155 lines
3.9 KiB
LLVM
155 lines
3.9 KiB
LLVM
; RUN: llc -O0 -fast-isel-abort=1 -mtriple=arm64-apple-darwin -mcpu=cyclone -verify-machineinstrs < %s | FileCheck %s
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define void @branch1() nounwind uwtable ssp {
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%x = alloca i32, align 4
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store i32 0, i32* %x, align 4
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%1 = load i32, i32* %x, align 4
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%2 = icmp ne i32 %1, 0
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br i1 %2, label %3, label %4
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; <label>:3 ; preds = %0
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br label %4
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; <label>:4 ; preds = %3, %0
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ret void
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}
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define void @branch2() nounwind uwtable ssp {
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%1 = alloca i32, align 4
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%x = alloca i32, align 4
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%y = alloca i32, align 4
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%z = alloca i32, align 4
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store i32 0, i32* %1
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store i32 1, i32* %y, align 4
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store i32 1, i32* %x, align 4
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store i32 0, i32* %z, align 4
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%2 = load i32, i32* %x, align 4
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%3 = icmp ne i32 %2, 0
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br i1 %3, label %4, label %5
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; <label>:4 ; preds = %0
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store i32 0, i32* %1
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br label %14
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; <label>:5 ; preds = %0
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%6 = load i32, i32* %y, align 4
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%7 = icmp ne i32 %6, 0
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br i1 %7, label %8, label %13
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; <label>:8 ; preds = %5
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%9 = load i32, i32* %z, align 4
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%10 = icmp ne i32 %9, 0
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br i1 %10, label %11, label %12
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; <label>:11 ; preds = %8
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store i32 1, i32* %1
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br label %14
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; <label>:12 ; preds = %8
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store i32 0, i32* %1
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br label %14
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; <label>:13 ; preds = %5
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br label %14
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; <label>:14 ; preds = %4, %11, %12, %13
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%15 = load i32, i32* %1
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ret void
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}
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define void @true_() nounwind uwtable ssp {
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; CHECK: @true_
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; CHECK: b LBB2_1
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br i1 true, label %1, label %2
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; <label>:1
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; CHECK: LBB2_1
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br label %2
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; <label>:2
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ret void
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}
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define void @false_() nounwind uwtable ssp {
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; CHECK: @false_
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; CHECK: b LBB3_2
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br i1 false, label %1, label %2
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; <label>:1
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br label %2
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; <label>:2
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; CHECK: LBB3_2
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ret void
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}
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define zeroext i8 @trunc_(i8 zeroext %a, i16 zeroext %b, i32 %c, i64 %d) {
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entry:
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%a.addr = alloca i8, align 1
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%b.addr = alloca i16, align 2
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%c.addr = alloca i32, align 4
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%d.addr = alloca i64, align 8
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store i8 %a, i8* %a.addr, align 1
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store i16 %b, i16* %b.addr, align 2
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store i32 %c, i32* %c.addr, align 4
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store i64 %d, i64* %d.addr, align 8
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%0 = load i16, i16* %b.addr, align 2
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; CHECK: and w0, w0, #0x1
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; CHECK: cmp w0, #0
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; CHECK: b.eq LBB4_2
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%conv = trunc i16 %0 to i1
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br i1 %conv, label %if.then, label %if.end
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if.then: ; preds = %entry
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call void @foo1()
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br label %if.end
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if.end: ; preds = %if.then, %entry
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%1 = load i32, i32* %c.addr, align 4
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; CHECK: and w[[REG:[0-9]+]], w{{[0-9]+}}, #0x1
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; CHECK: cmp w[[REG]], #0
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; CHECK: b.eq LBB4_4
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%conv1 = trunc i32 %1 to i1
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br i1 %conv1, label %if.then3, label %if.end4
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if.then3: ; preds = %if.end
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call void @foo1()
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br label %if.end4
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if.end4: ; preds = %if.then3, %if.end
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%2 = load i64, i64* %d.addr, align 8
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; CHECK: cmp w{{[0-9]+}}, #0
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; CHECK: b.eq LBB4_6
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%conv5 = trunc i64 %2 to i1
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br i1 %conv5, label %if.then7, label %if.end8
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if.then7: ; preds = %if.end4
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call void @foo1()
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br label %if.end8
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if.end8: ; preds = %if.then7, %if.end4
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%3 = load i8, i8* %a.addr, align 1
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ret i8 %3
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}
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declare void @foo1()
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; rdar://15174028
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define i32 @trunc64(i64 %foo) nounwind {
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; CHECK: trunc64
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; CHECK: and [[REG1:x[0-9]+]], x0, #0x1
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; CHECK: mov x[[REG2:[0-9]+]], [[REG1]]
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; CHECK: and [[REG3:w[0-9]+]], w[[REG2]], #0x1
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; CHECK: cmp [[REG3]], #0
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; CHECK: b.eq LBB5_2
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%a = and i64 %foo, 1
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%b = trunc i64 %a to i1
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br i1 %b, label %if.then, label %if.else
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if.then:
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ret i32 1
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if.else:
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ret i32 0
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}
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