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146 lines
4.5 KiB
LLVM
146 lines
4.5 KiB
LLVM
; RUN: llc -march=sparc <%s | FileCheck %s
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; CHECK-LABEL: test_constraint_r
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; CHECK: add %o1, %o0, %o0
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define i32 @test_constraint_r(i32 %a, i32 %b) {
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entry:
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%0 = tail call i32 asm sideeffect "add $2, $1, $0", "=r,r,r"(i32 %a, i32 %b)
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ret i32 %0
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}
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;; Check tests only that the constraints are accepted without a compiler failure.
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; CHECK-LABEL: test_constraints_nro:
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%struct.anon = type { i32, i32 }
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@v = external global %struct.anon, align 4
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define void @test_constraints_nro() {
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entry:
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%0 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @v, i32 0, i32 0);
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%1 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @v, i32 0, i32 1);
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tail call void asm sideeffect "", "nro,nro"(i32 %0, i32 %1)
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ret void
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}
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; CHECK-LABEL: test_constraint_I:
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; CHECK: add %o0, 1023, %o0
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define i32 @test_constraint_I(i32 %a) {
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entry:
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%0 = tail call i32 asm sideeffect "add $1, $2, $0", "=r,r,rI"(i32 %a, i32 1023)
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ret i32 %0
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}
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; CHECK-LABEL: test_constraint_I_neg:
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; CHECK: add %o0, -4096, %o0
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define i32 @test_constraint_I_neg(i32 %a) {
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entry:
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%0 = tail call i32 asm sideeffect "add $1, $2, $0", "=r,r,rI"(i32 %a, i32 -4096)
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ret i32 %0
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}
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; CHECK-LABEL: test_constraint_I_largeimm:
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; CHECK: sethi 9, [[R0:%[gilo][0-7]]]
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; CHECK: or [[R0]], 784, [[R1:%[gilo][0-7]]]
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; CHECK: add %o0, [[R1]], %o0
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define i32 @test_constraint_I_largeimm(i32 %a) {
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entry:
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%0 = tail call i32 asm sideeffect "add $1, $2, $0", "=r,r,rI"(i32 %a, i32 10000)
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ret i32 %0
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}
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; CHECK-LABEL: test_constraint_reg:
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; CHECK: ldda [%o1] 43, %g2
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; CHECK: ldda [%o1] 43, %g4
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define void @test_constraint_reg(i32 %s, i32* %ptr) {
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entry:
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%0 = tail call i64 asm sideeffect "ldda [$1] $2, $0", "={r2},r,n"(i32* %ptr, i32 43)
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%1 = tail call i64 asm sideeffect "ldda [$1] $2, $0", "={g4},r,n"(i32* %ptr, i32 43)
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ret void
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}
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;; Ensure that i64 args to asm are allocated to the IntPair register class.
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;; Also checks that register renaming for leaf proc works.
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; CHECK-LABEL: test_constraint_r_i64:
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; CHECK: mov %o0, %o5
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; CHECK: sra %o5, 31, %o4
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; CHECK: std %o4, [%o1]
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define i32 @test_constraint_r_i64(i32 %foo, i64* %out, i32 %o) {
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entry:
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%conv = sext i32 %foo to i64
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tail call void asm sideeffect "std $0, [$1]", "r,r,~{memory}"(i64 %conv, i64* %out)
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ret i32 %o
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}
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;; Same test without leaf-proc opt
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; CHECK-LABEL: test_constraint_r_i64_noleaf:
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; CHECK: mov %i0, %i5
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; CHECK: sra %i5, 31, %i4
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; CHECK: std %i4, [%i1]
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define i32 @test_constraint_r_i64_noleaf(i32 %foo, i64* %out, i32 %o) #0 {
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entry:
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%conv = sext i32 %foo to i64
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tail call void asm sideeffect "std $0, [$1]", "r,r,~{memory}"(i64 %conv, i64* %out)
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ret i32 %o
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}
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attributes #0 = { "frame-pointer"="all" }
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;; Ensures that tied in and out gets allocated properly.
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; CHECK-LABEL: test_i64_inout:
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; CHECK: mov %g0, %o2
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; CHECK: mov 5, %o3
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; CHECK: xor %o2, %g0, %o2
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; CHECK: mov %o2, %o0
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; CHECK: ret
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define i64 @test_i64_inout() {
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entry:
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%0 = call i64 asm sideeffect "xor $1, %g0, $0", "=r,0,~{i1}"(i64 5);
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ret i64 %0
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}
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;; Ensures that inline-asm accepts and uses 'f' and 'e' register constraints.
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; CHECK-LABEL: fadds:
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; CHECK: fadds %f0, %f1, %f0
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define float @fadds(float, float) local_unnamed_addr #2 {
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entry:
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%2 = tail call float asm sideeffect "fadds $1, $2, $0;", "=f,f,e"(float %0, float %1) #7
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ret float %2
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}
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; CHECK-LABEL: faddd:
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; CHECK: faddd %f0, %f2, %f0
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define double @faddd(double, double) local_unnamed_addr #2 {
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entry:
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%2 = tail call double asm sideeffect "faddd $1, $2, $0;", "=f,f,e"(double %0, double %1) #7
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ret double %2
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}
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; CHECK-LABEL: test_addressing_mode_i64:
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; CHECK: std %l0, [%o0]
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define void @test_addressing_mode_i64(i64* %out) {
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entry:
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call void asm "std %l0, $0", "=*m,r"(i64* nonnull %out, i64 0)
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ret void
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}
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; CHECK-LABEL: test_constraint_float_reg:
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; CHECK: fadds %f20, %f20, %f20
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; CHECK: faddd %f20, %f20, %f20
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define void @test_constraint_float_reg() {
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entry:
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tail call void asm sideeffect "fadds $0,$1,$2", "{f20},{f20},{f20}"(float 6.0, float 7.0, float 8.0)
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tail call void asm sideeffect "faddd $0,$1,$2", "{f20},{f20},{f20}"(double 9.0, double 10.0, double 11.0)
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ret void
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}
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; CHECK-LABEL: test_constraint_f_e_i32_i64:
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; CHECK: ld [%o0+%lo(.LCPI13_0)], %f0
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; CHECK: ldd [%o0+%lo(.LCPI13_1)], %f2
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; CHECK: fadds %f0, %f0, %f0
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; CHECK: faddd %f2, %f2, %f0
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define void @test_constraint_f_e_i32_i64() {
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entry:
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%0 = call float asm sideeffect "fadds $1, $2, $0", "=f,f,e"(i32 0, i32 0)
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%1 = call double asm sideeffect "faddd $1, $2, $0", "=f,f,e"(i64 0, i64 0)
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ret void
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}
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