183 lines
5.0 KiB
LLVM
183 lines
5.0 KiB
LLVM
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; RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o - %s | FileCheck %s
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%struct_type = type { [10000 x i32], i32, i32 }
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define void @test1(%struct_type** %s, i32 %n) {
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; CHECK-LABEL: test1
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entry:
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%struct = load %struct_type*, %struct_type** %s
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br label %while_cond
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while_cond:
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%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
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; CHECK: mov w{{[0-9]+}}, #40000
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; CHECK-NOT: mov w{{[0-9]+}}, #40004
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%gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
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%gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
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%cmp = icmp slt i32 %phi, %n
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br i1 %cmp, label %while_body, label %while_end
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while_body:
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; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]
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%i = add i32 %phi, 1
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store i32 %i, i32* %gep0
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store i32 %phi, i32* %gep1
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br label %while_cond
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while_end:
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ret void
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}
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define void @test2(%struct_type* %struct, i32 %n) {
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; CHECK-LABEL: test2
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entry:
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%cmp = icmp eq %struct_type* %struct, null
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br i1 %cmp, label %while_end, label %while_cond
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while_cond:
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%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
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; CHECK: mov w{{[0-9]+}}, #40000
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; CHECK-NOT: mov w{{[0-9]+}}, #40004
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%gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
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%gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
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%cmp1 = icmp slt i32 %phi, %n
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br i1 %cmp1, label %while_body, label %while_end
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while_body:
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; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]
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%i = add i32 %phi, 1
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store i32 %i, i32* %gep0
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store i32 %phi, i32* %gep1
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br label %while_cond
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while_end:
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ret void
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}
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define void @test3(%struct_type* %s1, %struct_type* %s2, i1 %cond, i32 %n) {
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; CHECK-LABEL: test3
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entry:
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br i1 %cond, label %if_true, label %if_end
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if_true:
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br label %if_end
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if_end:
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%struct = phi %struct_type* [ %s1, %entry ], [ %s2, %if_true ]
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%cmp = icmp eq %struct_type* %struct, null
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br i1 %cmp, label %while_end, label %while_cond
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while_cond:
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%phi = phi i32 [ 0, %if_end ], [ %i, %while_body ]
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; CHECK: mov w{{[0-9]+}}, #40000
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; CHECK-NOT: mov w{{[0-9]+}}, #40004
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%gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
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%gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
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%cmp1 = icmp slt i32 %phi, %n
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br i1 %cmp1, label %while_body, label %while_end
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while_body:
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; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]
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%i = add i32 %phi, 1
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store i32 %i, i32* %gep0
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store i32 %phi, i32* %gep1
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br label %while_cond
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while_end:
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ret void
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}
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declare %struct_type* @foo()
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declare void @foo2()
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define void @test4(i32 %n) personality i32 (...)* @__FrameHandler {
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; CHECK-LABEL: test4
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entry:
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br label %while_cond
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while_cond:
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%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
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%struct = invoke %struct_type* @foo() to label %while_cond_x unwind label %cleanup
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while_cond_x:
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; CHECK: mov w{{[0-9]+}}, #40000
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; CHECK-NOT: mov w{{[0-9]+}}, #40004
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%gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
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%gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
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store i32 0, i32* %gep0
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%cmp = icmp slt i32 %phi, %n
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br i1 %cmp, label %while_body, label %while_end
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while_body:
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; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]
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%i = add i32 %phi, 1
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store i32 %i, i32* %gep0
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store i32 %phi, i32* %gep1
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br label %while_cond
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while_end:
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ret void
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cleanup:
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%x10 = landingpad { i8*, i32 }
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cleanup
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call void @foo2()
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resume { i8*, i32 } %x10
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}
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declare i32 @__FrameHandler(...)
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define void @test5([65536 x i32]** %s, i32 %n) {
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; CHECK-LABEL: test5
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entry:
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%struct = load [65536 x i32]*, [65536 x i32]** %s
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br label %while_cond
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while_cond:
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%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
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; CHECK: mov w{{[0-9]+}}, #14464
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; CHECK-NOT: mov w{{[0-9]+}}, #14468
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%gep0 = getelementptr [65536 x i32], [65536 x i32]* %struct, i64 0, i32 20000
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%gep1 = getelementptr [65536 x i32], [65536 x i32]* %struct, i64 0, i32 20001
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%cmp = icmp slt i32 %phi, %n
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br i1 %cmp, label %while_body, label %while_end
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while_body:
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; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]
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%i = add i32 %phi, 1
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store i32 %i, i32* %gep0
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store i32 %phi, i32* %gep1
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br label %while_cond
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while_end:
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ret void
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}
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declare i8* @llvm.strip.invariant.group.p0i8(i8*)
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define void @test_invariant_group(i32) {
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; CHECK-LABEL: test_invariant_group
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br i1 undef, label %8, label %7
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; <label>:2: ; preds = %8, %2
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br i1 undef, label %2, label %7
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; <label>:3: ; preds = %8
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%4 = getelementptr inbounds i8, i8* %9, i32 40000
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%5 = bitcast i8* %4 to i64*
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br i1 undef, label %7, label %6
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; <label>:6: ; preds = %3
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store i64 1, i64* %5, align 8
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br label %7
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; <label>:7: ; preds = %6, %3, %2, %1
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ret void
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; <label>:8: ; preds = %1
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%9 = call i8* @llvm.strip.invariant.group.p0i8(i8* nonnull undef)
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%10 = icmp eq i32 %0, 0
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br i1 %10, label %3, label %2
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}
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