53 lines
1.4 KiB
LLVM
53 lines
1.4 KiB
LLVM
; RUN: llc -mtriple=armv7-unknown-linux < %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-ARM %s
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; RUN: llc -mtriple=thumbv6-unknown-linux < %s | FileCheck --check-prefix=CHECK-THUMB1 %s
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; RUN: llc -mtriple=thumbv7-unknown-linux < %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-THUMB2 %s
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; CHECK-THUMB1-NOT: sbc
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; CHECK-LABEL: test_slt1:
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define i32 @test_slt1(i64 %a, i64 %b) {
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entry:
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; CHECK-ARM: subs {{[^,]+}}, r0, r2
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; CHECK-ARM: mov [[TMP:[0-9a-z]+]], #2
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; CHECK-ARM: sbcs {{[^,]+}}, r1, r3
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; CHECK-ARM: movwlt [[TMP]], #1
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; CHECK-ARM: mov r0, [[TMP]]
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; CHECK-ARM: bx lr
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; CHECK-THUMB2: subs {{[^,]+}}, r0, r2
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; CHECK-THUMB2: mov.w [[TMP:[0-9a-z]+]], #2
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; CHECK-THUMB2: sbcs.w {{[^,]+}}, r1, r3
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; CHECK-THUMB2: it lt
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; CHECK-THUMB2: movlt.w [[TMP]], #1
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; CHECK-THUMB2: mov r0, [[TMP]]
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; CHECK-THUMB2: bx lr
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%cmp = icmp slt i64 %a, %b
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br i1 %cmp, label %bb1, label %bb2
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bb1:
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ret i32 1
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bb2:
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ret i32 2
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}
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; CHECK-LABEL: test_slt2:
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define void @test_slt2(i64 %a, i64 %b) {
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entry:
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%cmp = icmp slt i64 %a, %b
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; CHECK-ARM: subs {{[^,]+}}, r0, r2
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; CHECK-ARM: sbcs {{[^,]+}}, r1, r3
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; CHECK-THUMB2: subs {{[^,]+}}, r0, r2
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; CHECK-THUMB2: sbcs.w {{[^,]+}}, r1, r3
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; CHECK: bge [[BB2:\.[0-9A-Za-z_]+]]
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br i1 %cmp, label %bb1, label %bb2
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bb1:
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call void @f()
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ret void
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bb2:
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; CHECK: [[BB2]]:
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; CHECK-NEXT: bl g
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call void @g()
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ret void
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}
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declare void @f()
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declare void @g()
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