33 lines
854 B
LLVM
33 lines
854 B
LLVM
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; RUN: llc < %s -O3 -mtriple=aarch64-linux-gnu -aarch64-enable-gep-opt | FileCheck %s
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%struct = type { i32, i32, i32 }
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define i32 @test1(ptr %ptr, i64 %idx) {
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; CHECK-LABEL: test1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov w8, #12
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; CHECK-NEXT: madd x8, x1, x8, x0
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; CHECK-NEXT: ldr w9, [x8, #4]
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; CHECK-NEXT: tbnz w9, #31, .LBB0_2
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; CHECK-NEXT: // %bb.1:
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; CHECK-NEXT: mov w0, wzr
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; CHECK-NEXT: ret
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; CHECK-NEXT: .LBB0_2: // %then
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; CHECK-NEXT: ldr w8, [x8, #8]
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; CHECK-NEXT: add w0, w9, w8
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; CHECK-NEXT: ret
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%gep.1 = getelementptr %struct, ptr %ptr, i64 %idx, i32 1
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%lv.1 = load i32, ptr %gep.1
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%c = icmp slt i32 %lv.1, 0
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br i1 %c, label %then, label %else
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then:
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%gep.2 = getelementptr %struct, ptr %ptr, i64 %idx, i32 2
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%lv.2 = load i32, ptr %gep.2
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%res = add i32 %lv.1, %lv.2
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ret i32 %res
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else:
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ret i32 0
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}
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