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54 lines
1.1 KiB
54 lines
1.1 KiB
; RUN: llc -march=mipsel -mcpu=mips32r6 -disable-mips-delay-filler < %s | FileCheck %s
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; RUN: llc -march=mips -mcpu=mips32r6 -disable-mips-delay-filler < %s \
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; RUN: -filetype=obj -o - | llvm-objdump -d - | FileCheck %s -check-prefix=ENCODING
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; bnezc and beqzc have restriction that $rt != 0
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define i32 @f() {
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; CHECK-LABEL: f
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; CHECK-NOT: bnezc $0
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%cmp = icmp eq i32 1, 1
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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ret i32 1
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if.end:
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ret i32 0
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}
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define i32 @f1() {
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; CHECK-LABEL: f1
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; CHECK-NOT: beqzc $0
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%cmp = icmp eq i32 0, 0
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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ret i32 1
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if.end:
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ret i32 0
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}
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; We silently fixup cases where the register allocator or user has given us
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; an instruction with incorrect operands that is trivially acceptable.
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; beqc and bnec have the restriction that $rs < $rt.
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define i32 @f2(i32 %a, i32 %b) {
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; ENCODING-LABEL: f2
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; ENCODING-NOT: beqc $5, $4
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; ENCODING-NOT: bnec $5, $4
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%cmp = icmp eq i32 %b, %a
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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ret i32 1
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if.end:
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ret i32 0
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}
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